Home / 2,358.52-3,537.72-1,126.80

Finding the Fourth Proportional to 2,358.52, 3,537.72 and 1,126.80

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Solution

The fourth proportional to 2,358.52, 3,537.72 and 1,126.80 is: 1,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.52 : 3,537.72 = 1,126.80 : x
  2. Step 2: Convert to fraction form
    2,358.52/3,537.72 = 1,126.80/x
  3. Step 3: Cross multiply
    2,358.52x = 3,537.72 × 1,126.80
  4. Step 4: Simplify right side
    2,358.52x = 3,986,302.90
  5. Step 5: Solve for x
    x = 3,986,302.90/2,358.52
  6. Step 6: Final answer
    x = 1,690.17

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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.