Home / 1,252.53-1,874.58-1,143.03

Finding the Fourth Proportional to 1,252.53, 1,874.58 and 1,143.03

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Solution

The fourth proportional to 1,252.53, 1,874.58 and 1,143.03 is: 1,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.53 : 1,874.58 = 1,143.03 : x
  2. Step 2: Convert to fraction form
    1,252.53/1,874.58 = 1,143.03/x
  3. Step 3: Cross multiply
    1,252.53x = 1,874.58 × 1,143.03
  4. Step 4: Simplify right side
    1,252.53x = 2,142,701.18
  5. Step 5: Solve for x
    x = 2,142,701.18/1,252.53
  6. Step 6: Final answer
    x = 1,710.70

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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.