Home / 1,247.98-1,874.40-1,017.04

Finding the Fourth Proportional to 1,247.98, 1,874.40 and 1,017.04

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Solution

The fourth proportional to 1,247.98, 1,874.40 and 1,017.04 is: 1,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.98 : 1,874.40 = 1,017.04 : x
  2. Step 2: Convert to fraction form
    1,247.98/1,874.40 = 1,017.04/x
  3. Step 3: Cross multiply
    1,247.98x = 1,874.40 × 1,017.04
  4. Step 4: Simplify right side
    1,247.98x = 1,906,339.78
  5. Step 5: Solve for x
    x = 1,906,339.78/1,247.98
  6. Step 6: Final answer
    x = 1,527.54

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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.