Home / 4,305.50-5,938.35-2,981.42

Finding the Fourth Proportional to 4,305.50, 5,938.35 and 2,981.42

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Solution

The fourth proportional to 4,305.50, 5,938.35 and 2,981.42 is: 4,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.50 : 5,938.35 = 2,981.42 : x
  2. Step 2: Convert to fraction form
    4,305.50/5,938.35 = 2,981.42/x
  3. Step 3: Cross multiply
    4,305.50x = 5,938.35 × 2,981.42
  4. Step 4: Simplify right side
    4,305.50x = 17,704,715.46
  5. Step 5: Solve for x
    x = 17,704,715.46/4,305.50
  6. Step 6: Final answer
    x = 4,112.12

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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.