Home / 1,902.38-2,624.96-1,116.57

Finding the Fourth Proportional to 1,902.38, 2,624.96 and 1,116.57

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Solution

The fourth proportional to 1,902.38, 2,624.96 and 1,116.57 is: 1,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.38 : 2,624.96 = 1,116.57 : x
  2. Step 2: Convert to fraction form
    1,902.38/2,624.96 = 1,116.57/x
  3. Step 3: Cross multiply
    1,902.38x = 2,624.96 × 1,116.57
  4. Step 4: Simplify right side
    1,902.38x = 2,930,946.00
  5. Step 5: Solve for x
    x = 2,930,946.00/1,902.38
  6. Step 6: Final answer
    x = 1,540.68

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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.