Home / 7,370.20-10,167.78-4,385.80

Finding the Fourth Proportional to 7,370.20, 10,167.78 and 4,385.80

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Solution

The fourth proportional to 7,370.20, 10,167.78 and 4,385.80 is: 6,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.20 : 10,167.78 = 4,385.80 : x
  2. Step 2: Convert to fraction form
    7,370.20/10,167.78 = 4,385.80/x
  3. Step 3: Cross multiply
    7,370.20x = 10,167.78 × 4,385.80
  4. Step 4: Simplify right side
    7,370.20x = 44,593,849.52
  5. Step 5: Solve for x
    x = 44,593,849.52/7,370.20
  6. Step 6: Final answer
    x = 6,050.56

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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.