Home / 5,972.78-8,960.66-2,077.22

Finding the Fourth Proportional to 5,972.78, 8,960.66 and 2,077.22

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Solution

The fourth proportional to 5,972.78, 8,960.66 and 2,077.22 is: 3,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.78 : 8,960.66 = 2,077.22 : x
  2. Step 2: Convert to fraction form
    5,972.78/8,960.66 = 2,077.22/x
  3. Step 3: Cross multiply
    5,972.78x = 8,960.66 × 2,077.22
  4. Step 4: Simplify right side
    5,972.78x = 18,613,251.78
  5. Step 5: Solve for x
    x = 18,613,251.78/5,972.78
  6. Step 6: Final answer
    x = 3,116.35

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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.