Home / 3,236.76-4,467.36-1,910.40

Finding the Fourth Proportional to 3,236.76, 4,467.36 and 1,910.40

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Solution

The fourth proportional to 3,236.76, 4,467.36 and 1,910.40 is: 2,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.76 : 4,467.36 = 1,910.40 : x
  2. Step 2: Convert to fraction form
    3,236.76/4,467.36 = 1,910.40/x
  3. Step 3: Cross multiply
    3,236.76x = 4,467.36 × 1,910.40
  4. Step 4: Simplify right side
    3,236.76x = 8,534,444.54
  5. Step 5: Solve for x
    x = 8,534,444.54/3,236.76
  6. Step 6: Final answer
    x = 2,636.72

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Find fourth proportional to 1,618.38, 2,233.68 and 955.20
Half scale
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Double scale
Find fourth proportional to 3,237.76, 4,468.74 and 1,911.40
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.