Home / 6,549.60-9,031.52-5,057.76

Finding the Fourth Proportional to 6,549.60, 9,031.52 and 5,057.76

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Solution

The fourth proportional to 6,549.60, 9,031.52 and 5,057.76 is: 6,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.60 : 9,031.52 = 5,057.76 : x
  2. Step 2: Convert to fraction form
    6,549.60/9,031.52 = 5,057.76/x
  3. Step 3: Cross multiply
    6,549.60x = 9,031.52 × 5,057.76
  4. Step 4: Simplify right side
    6,549.60x = 45,679,260.60
  5. Step 5: Solve for x
    x = 45,679,260.60/6,549.60
  6. Step 6: Final answer
    x = 6,974.36

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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.