Home / 5,617.32-7,753.08-3,729.06

Finding the Fourth Proportional to 5,617.32, 7,753.08 and 3,729.06

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Solution

The fourth proportional to 5,617.32, 7,753.08 and 3,729.06 is: 5,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.32 : 7,753.08 = 3,729.06 : x
  2. Step 2: Convert to fraction form
    5,617.32/7,753.08 = 3,729.06/x
  3. Step 3: Cross multiply
    5,617.32x = 7,753.08 × 3,729.06
  4. Step 4: Simplify right side
    5,617.32x = 28,911,700.50
  5. Step 5: Solve for x
    x = 28,911,700.50/5,617.32
  6. Step 6: Final answer
    x = 5,146.89

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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.