Home / 3,746.52-5,167.96-2,421

Finding the Fourth Proportional to 3,746.52, 5,167.96 and 2,421

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Solution

The fourth proportional to 3,746.52, 5,167.96 and 2,421 is: 3,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.52 : 5,167.96 = 2,421 : x
  2. Step 2: Convert to fraction form
    3,746.52/5,167.96 = 2,421/x
  3. Step 3: Cross multiply
    3,746.52x = 5,167.96 × 2,421
  4. Step 4: Simplify right side
    3,746.52x = 12,511,631.16
  5. Step 5: Solve for x
    x = 12,511,631.16/3,746.52
  6. Step 6: Final answer
    x = 3,339.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.