Home / 6,553.08-9,042.55-3,900.13

Finding the Fourth Proportional to 6,553.08, 9,042.55 and 3,900.13

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Solution

The fourth proportional to 6,553.08, 9,042.55 and 3,900.13 is: 5,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.08 : 9,042.55 = 3,900.13 : x
  2. Step 2: Convert to fraction form
    6,553.08/9,042.55 = 3,900.13/x
  3. Step 3: Cross multiply
    6,553.08x = 9,042.55 × 3,900.13
  4. Step 4: Simplify right side
    6,553.08x = 35,267,120.53
  5. Step 5: Solve for x
    x = 35,267,120.53/6,553.08
  6. Step 6: Final answer
    x = 5,381.76

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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.