Home / 5,086.18-7,628.05-3,715.66

Finding the Fourth Proportional to 5,086.18, 7,628.05 and 3,715.66

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Solution

The fourth proportional to 5,086.18, 7,628.05 and 3,715.66 is: 5,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.18 : 7,628.05 = 3,715.66 : x
  2. Step 2: Convert to fraction form
    5,086.18/7,628.05 = 3,715.66/x
  3. Step 3: Cross multiply
    5,086.18x = 7,628.05 × 3,715.66
  4. Step 4: Simplify right side
    5,086.18x = 28,343,240.26
  5. Step 5: Solve for x
    x = 28,343,240.26/5,086.18
  6. Step 6: Final answer
    x = 5,572.60

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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.