Home / 3,934.19-5,432.31-3,048.45

Finding the Fourth Proportional to 3,934.19, 5,432.31 and 3,048.45

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Solution

The fourth proportional to 3,934.19, 5,432.31 and 3,048.45 is: 4,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.19 : 5,432.31 = 3,048.45 : x
  2. Step 2: Convert to fraction form
    3,934.19/5,432.31 = 3,048.45/x
  3. Step 3: Cross multiply
    3,934.19x = 5,432.31 × 3,048.45
  4. Step 4: Simplify right side
    3,934.19x = 16,560,125.42
  5. Step 5: Solve for x
    x = 16,560,125.42/3,934.19
  6. Step 6: Final answer
    x = 4,209.29

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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.