Home / 4,331.38-6,497.47-1,408.90

Finding the Fourth Proportional to 4,331.38, 6,497.47 and 1,408.90

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Solution

The fourth proportional to 4,331.38, 6,497.47 and 1,408.90 is: 2,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,331.38 : 6,497.47 = 1,408.90 : x
  2. Step 2: Convert to fraction form
    4,331.38/6,497.47 = 1,408.90/x
  3. Step 3: Cross multiply
    4,331.38x = 6,497.47 × 1,408.90
  4. Step 4: Simplify right side
    4,331.38x = 9,154,249.47
  5. Step 5: Solve for x
    x = 9,154,249.47/4,331.38
  6. Step 6: Final answer
    x = 2,113.47

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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.