Home / 5,144.36-7,098.98-3,154.59

Finding the Fourth Proportional to 5,144.36, 7,098.98 and 3,154.59

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Solution

The fourth proportional to 5,144.36, 7,098.98 and 3,154.59 is: 4,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.36 : 7,098.98 = 3,154.59 : x
  2. Step 2: Convert to fraction form
    5,144.36/7,098.98 = 3,154.59/x
  3. Step 3: Cross multiply
    5,144.36x = 7,098.98 × 3,154.59
  4. Step 4: Simplify right side
    5,144.36x = 22,394,355.55
  5. Step 5: Solve for x
    x = 22,394,355.55/5,144.36
  6. Step 6: Final answer
    x = 4,353.19

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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.