Home / 5,149.53-7,711.86-2,951.58

Finding the Fourth Proportional to 5,149.53, 7,711.86 and 2,951.58

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Solution

The fourth proportional to 5,149.53, 7,711.86 and 2,951.58 is: 4,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.53 : 7,711.86 = 2,951.58 : x
  2. Step 2: Convert to fraction form
    5,149.53/7,711.86 = 2,951.58/x
  3. Step 3: Cross multiply
    5,149.53x = 7,711.86 × 2,951.58
  4. Step 4: Simplify right side
    5,149.53x = 22,762,171.74
  5. Step 5: Solve for x
    x = 22,762,171.74/5,149.53
  6. Step 6: Final answer
    x = 4,420.24

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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.