Home / 2,439.52-3,648.48-2,167.36

Finding the Fourth Proportional to 2,439.52, 3,648.48 and 2,167.36

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Solution

The fourth proportional to 2,439.52, 3,648.48 and 2,167.36 is: 3,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.52 : 3,648.48 = 2,167.36 : x
  2. Step 2: Convert to fraction form
    2,439.52/3,648.48 = 2,167.36/x
  3. Step 3: Cross multiply
    2,439.52x = 3,648.48 × 2,167.36
  4. Step 4: Simplify right side
    2,439.52x = 7,907,569.61
  5. Step 5: Solve for x
    x = 7,907,569.61/2,439.52
  6. Step 6: Final answer
    x = 3,241.44

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1.5x scale

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.