Home / 3,700.96-5,549.28-1,103.20

Finding the Fourth Proportional to 3,700.96, 5,549.28 and 1,103.20

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Solution

The fourth proportional to 3,700.96, 5,549.28 and 1,103.20 is: 1,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.96 : 5,549.28 = 1,103.20 : x
  2. Step 2: Convert to fraction form
    3,700.96/5,549.28 = 1,103.20/x
  3. Step 3: Cross multiply
    3,700.96x = 5,549.28 × 1,103.20
  4. Step 4: Simplify right side
    3,700.96x = 6,121,965.70
  5. Step 5: Solve for x
    x = 6,121,965.70/3,700.96
  6. Step 6: Final answer
    x = 1,654.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.