Home / 3,118.62-4,672.52-2,386.02

Finding the Fourth Proportional to 3,118.62, 4,672.52 and 2,386.02

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Solution

The fourth proportional to 3,118.62, 4,672.52 and 2,386.02 is: 3,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.62 : 4,672.52 = 2,386.02 : x
  2. Step 2: Convert to fraction form
    3,118.62/4,672.52 = 2,386.02/x
  3. Step 3: Cross multiply
    3,118.62x = 4,672.52 × 2,386.02
  4. Step 4: Simplify right side
    3,118.62x = 11,148,726.17
  5. Step 5: Solve for x
    x = 11,148,726.17/3,118.62
  6. Step 6: Final answer
    x = 3,574.89

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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.