Home / 1,153.76-1,727.40-1,037.12

Finding the Fourth Proportional to 1,153.76, 1,727.40 and 1,037.12

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Solution

The fourth proportional to 1,153.76, 1,727.40 and 1,037.12 is: 1,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153.76 : 1,727.40 = 1,037.12 : x
  2. Step 2: Convert to fraction form
    1,153.76/1,727.40 = 1,037.12/x
  3. Step 3: Cross multiply
    1,153.76x = 1,727.40 × 1,037.12
  4. Step 4: Simplify right side
    1,153.76x = 1,791,521.09
  5. Step 5: Solve for x
    x = 1,791,521.09/1,153.76
  6. Step 6: Final answer
    x = 1,552.77

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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.