Home / 3,493.32-5,239.92-1,154.40

Finding the Fourth Proportional to 3,493.32, 5,239.92 and 1,154.40

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Solution

The fourth proportional to 3,493.32, 5,239.92 and 1,154.40 is: 1,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.32 : 5,239.92 = 1,154.40 : x
  2. Step 2: Convert to fraction form
    3,493.32/5,239.92 = 1,154.40/x
  3. Step 3: Cross multiply
    3,493.32x = 5,239.92 × 1,154.40
  4. Step 4: Simplify right side
    3,493.32x = 6,048,963.65
  5. Step 5: Solve for x
    x = 6,048,963.65/3,493.32
  6. Step 6: Final answer
    x = 1,731.58

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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.