Home / 5,309.16-7,951.38-5,124.60

Finding the Fourth Proportional to 5,309.16, 7,951.38 and 5,124.60

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Solution

The fourth proportional to 5,309.16, 7,951.38 and 5,124.60 is: 7,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.16 : 7,951.38 = 5,124.60 : x
  2. Step 2: Convert to fraction form
    5,309.16/7,951.38 = 5,124.60/x
  3. Step 3: Cross multiply
    5,309.16x = 7,951.38 × 5,124.60
  4. Step 4: Simplify right side
    5,309.16x = 40,747,641.95
  5. Step 5: Solve for x
    x = 40,747,641.95/5,309.16
  6. Step 6: Final answer
    x = 7,674.97

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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.