Home / 5,408.57-8,117.87-3,332.63

Finding the Fourth Proportional to 5,408.57, 8,117.87 and 3,332.63

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Solution

The fourth proportional to 5,408.57, 8,117.87 and 3,332.63 is: 5,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.57 : 8,117.87 = 3,332.63 : x
  2. Step 2: Convert to fraction form
    5,408.57/8,117.87 = 3,332.63/x
  3. Step 3: Cross multiply
    5,408.57x = 8,117.87 × 3,332.63
  4. Step 4: Simplify right side
    5,408.57x = 27,053,857.10
  5. Step 5: Solve for x
    x = 27,053,857.10/5,408.57
  6. Step 6: Final answer
    x = 5,002.04

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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.