Home / 2,337.28-3,222.80-1,591.68

Finding the Fourth Proportional to 2,337.28, 3,222.80 and 1,591.68

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Solution

The fourth proportional to 2,337.28, 3,222.80 and 1,591.68 is: 2,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.28 : 3,222.80 = 1,591.68 : x
  2. Step 2: Convert to fraction form
    2,337.28/3,222.80 = 1,591.68/x
  3. Step 3: Cross multiply
    2,337.28x = 3,222.80 × 1,591.68
  4. Step 4: Simplify right side
    2,337.28x = 5,129,666.30
  5. Step 5: Solve for x
    x = 5,129,666.30/2,337.28
  6. Step 6: Final answer
    x = 2,194.72

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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.