Home / 2,972.45-4,092.65-2,523.39

Finding the Fourth Proportional to 2,972.45, 4,092.65 and 2,523.39

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Solution

The fourth proportional to 2,972.45, 4,092.65 and 2,523.39 is: 3,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.45 : 4,092.65 = 2,523.39 : x
  2. Step 2: Convert to fraction form
    2,972.45/4,092.65 = 2,523.39/x
  3. Step 3: Cross multiply
    2,972.45x = 4,092.65 × 2,523.39
  4. Step 4: Simplify right side
    2,972.45x = 10,327,335.50
  5. Step 5: Solve for x
    x = 10,327,335.50/2,972.45
  6. Step 6: Final answer
    x = 3,474.35

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1.5x scale

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.