Home / 5,124.69-7,687.49-3,755.08

Finding the Fourth Proportional to 5,124.69, 7,687.49 and 3,755.08

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Solution

The fourth proportional to 5,124.69, 7,687.49 and 3,755.08 is: 5,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.69 : 7,687.49 = 3,755.08 : x
  2. Step 2: Convert to fraction form
    5,124.69/7,687.49 = 3,755.08/x
  3. Step 3: Cross multiply
    5,124.69x = 7,687.49 × 3,755.08
  4. Step 4: Simplify right side
    5,124.69x = 28,867,139.95
  5. Step 5: Solve for x
    x = 28,867,139.95/5,124.69
  6. Step 6: Final answer
    x = 5,632.95

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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.