Home / 1,154.70-1,733.15-1,074.26

Finding the Fourth Proportional to 1,154.70, 1,733.15 and 1,074.26

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Solution

The fourth proportional to 1,154.70, 1,733.15 and 1,074.26 is: 1,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.70 : 1,733.15 = 1,074.26 : x
  2. Step 2: Convert to fraction form
    1,154.70/1,733.15 = 1,074.26/x
  3. Step 3: Cross multiply
    1,154.70x = 1,733.15 × 1,074.26
  4. Step 4: Simplify right side
    1,154.70x = 1,861,853.72
  5. Step 5: Solve for x
    x = 1,861,853.72/1,154.70
  6. Step 6: Final answer
    x = 1,612.41

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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.