Home / 3,191.16-4,402.54-2,353.88

Finding the Fourth Proportional to 3,191.16, 4,402.54 and 2,353.88

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Solution

The fourth proportional to 3,191.16, 4,402.54 and 2,353.88 is: 3,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.16 : 4,402.54 = 2,353.88 : x
  2. Step 2: Convert to fraction form
    3,191.16/4,402.54 = 2,353.88/x
  3. Step 3: Cross multiply
    3,191.16x = 4,402.54 × 2,353.88
  4. Step 4: Simplify right side
    3,191.16x = 10,363,022.96
  5. Step 5: Solve for x
    x = 10,363,022.96/3,191.16
  6. Step 6: Final answer
    x = 3,247.42

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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.