Home / 3,107.93-4,660.28-1,158.53

Finding the Fourth Proportional to 3,107.93, 4,660.28 and 1,158.53

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Solution

The fourth proportional to 3,107.93, 4,660.28 and 1,158.53 is: 1,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.93 : 4,660.28 = 1,158.53 : x
  2. Step 2: Convert to fraction form
    3,107.93/4,660.28 = 1,158.53/x
  3. Step 3: Cross multiply
    3,107.93x = 4,660.28 × 1,158.53
  4. Step 4: Simplify right side
    3,107.93x = 5,399,068.40
  5. Step 5: Solve for x
    x = 5,399,068.40/3,107.93
  6. Step 6: Final answer
    x = 1,737.19

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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.