Home / 7,355.95-10,149.76-4,125.87

Finding the Fourth Proportional to 7,355.95, 10,149.76 and 4,125.87

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Solution

The fourth proportional to 7,355.95, 10,149.76 and 4,125.87 is: 5,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.95 : 10,149.76 = 4,125.87 : x
  2. Step 2: Convert to fraction form
    7,355.95/10,149.76 = 4,125.87/x
  3. Step 3: Cross multiply
    7,355.95x = 10,149.76 × 4,125.87
  4. Step 4: Simplify right side
    7,355.95x = 41,876,572.24
  5. Step 5: Solve for x
    x = 41,876,572.24/7,355.95
  6. Step 6: Final answer
    x = 5,692.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.