Home / 5,124.86-7,687.29-2,349.70

Finding the Fourth Proportional to 5,124.86, 7,687.29 and 2,349.70

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Solution

The fourth proportional to 5,124.86, 7,687.29 and 2,349.70 is: 3,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.86 : 7,687.29 = 2,349.70 : x
  2. Step 2: Convert to fraction form
    5,124.86/7,687.29 = 2,349.70/x
  3. Step 3: Cross multiply
    5,124.86x = 7,687.29 × 2,349.70
  4. Step 4: Simplify right side
    5,124.86x = 18,062,825.31
  5. Step 5: Solve for x
    x = 18,062,825.31/5,124.86
  6. Step 6: Final answer
    x = 3,524.55

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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.