Home / 3,524.17-4,863.40-1,930.78

Finding the Fourth Proportional to 3,524.17, 4,863.40 and 1,930.78

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Solution

The fourth proportional to 3,524.17, 4,863.40 and 1,930.78 is: 2,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.17 : 4,863.40 = 1,930.78 : x
  2. Step 2: Convert to fraction form
    3,524.17/4,863.40 = 1,930.78/x
  3. Step 3: Cross multiply
    3,524.17x = 4,863.40 × 1,930.78
  4. Step 4: Simplify right side
    3,524.17x = 9,390,155.45
  5. Step 5: Solve for x
    x = 9,390,155.45/3,524.17
  6. Step 6: Final answer
    x = 2,664.50

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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.