Home / 1,158.12-1,737.15-292.44

Finding the Fourth Proportional to 1,158.12, 1,737.15 and 292.44

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Solution

The fourth proportional to 1,158.12, 1,737.15 and 292.44 is: 438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.12 : 1,737.15 = 292.44 : x
  2. Step 2: Convert to fraction form
    1,158.12/1,737.15 = 292.44/x
  3. Step 3: Cross multiply
    1,158.12x = 1,737.15 × 292.44
  4. Step 4: Simplify right side
    1,158.12x = 508,012.15
  5. Step 5: Solve for x
    x = 508,012.15/1,158.12
  6. Step 6: Final answer
    x = 438.65

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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.