Home / 5,143.56-7,098.24-3,152.97

Finding the Fourth Proportional to 5,143.56, 7,098.24 and 3,152.97

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Solution

The fourth proportional to 5,143.56, 7,098.24 and 3,152.97 is: 4,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.56 : 7,098.24 = 3,152.97 : x
  2. Step 2: Convert to fraction form
    5,143.56/7,098.24 = 3,152.97/x
  3. Step 3: Cross multiply
    5,143.56x = 7,098.24 × 3,152.97
  4. Step 4: Simplify right side
    5,143.56x = 22,380,510.16
  5. Step 5: Solve for x
    x = 22,380,510.16/5,143.56
  6. Step 6: Final answer
    x = 4,351.18

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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.