Home / 3,220.93-4,445.30-1,894.76

Finding the Fourth Proportional to 3,220.93, 4,445.30 and 1,894.76

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Solution

The fourth proportional to 3,220.93, 4,445.30 and 1,894.76 is: 2,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.93 : 4,445.30 = 1,894.76 : x
  2. Step 2: Convert to fraction form
    3,220.93/4,445.30 = 1,894.76/x
  3. Step 3: Cross multiply
    3,220.93x = 4,445.30 × 1,894.76
  4. Step 4: Simplify right side
    3,220.93x = 8,422,765.15
  5. Step 5: Solve for x
    x = 8,422,765.15/3,220.93
  6. Step 6: Final answer
    x = 2,615.01

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,221.93, 4,446.68 and 1,895.76
Similar ratio
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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.