Home / 3,151.32-4,349.12-2,353.26

Finding the Fourth Proportional to 3,151.32, 4,349.12 and 2,353.26

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Solution

The fourth proportional to 3,151.32, 4,349.12 and 2,353.26 is: 3,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.32 : 4,349.12 = 2,353.26 : x
  2. Step 2: Convert to fraction form
    3,151.32/4,349.12 = 2,353.26/x
  3. Step 3: Cross multiply
    3,151.32x = 4,349.12 × 2,353.26
  4. Step 4: Simplify right side
    3,151.32x = 10,234,610.13
  5. Step 5: Solve for x
    x = 10,234,610.13/3,151.32
  6. Step 6: Final answer
    x = 3,247.72

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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.