Home / 1,154.92-1,733.28-424.96

Finding the Fourth Proportional to 1,154.92, 1,733.28 and 424.96

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Solution

The fourth proportional to 1,154.92, 1,733.28 and 424.96 is: 637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.92 : 1,733.28 = 424.96 : x
  2. Step 2: Convert to fraction form
    1,154.92/1,733.28 = 424.96/x
  3. Step 3: Cross multiply
    1,154.92x = 1,733.28 × 424.96
  4. Step 4: Simplify right side
    1,154.92x = 736,574.67
  5. Step 5: Solve for x
    x = 736,574.67/1,154.92
  6. Step 6: Final answer
    x = 637.77

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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.