Home / 3,204.76-4,422.72-1,807.24

Finding the Fourth Proportional to 3,204.76, 4,422.72 and 1,807.24

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Solution

The fourth proportional to 3,204.76, 4,422.72 and 1,807.24 is: 2,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.76 : 4,422.72 = 1,807.24 : x
  2. Step 2: Convert to fraction form
    3,204.76/4,422.72 = 1,807.24/x
  3. Step 3: Cross multiply
    3,204.76x = 4,422.72 × 1,807.24
  4. Step 4: Simplify right side
    3,204.76x = 7,992,916.49
  5. Step 5: Solve for x
    x = 7,992,916.49/3,204.76
  6. Step 6: Final answer
    x = 2,494.08

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Find fourth proportional to 1,602.38, 2,211.36 and 903.62
Half scale
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Double scale
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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.