Home / 5,341.85-7,371.56-2,951.78

Finding the Fourth Proportional to 5,341.85, 7,371.56 and 2,951.78

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Solution

The fourth proportional to 5,341.85, 7,371.56 and 2,951.78 is: 4,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.85 : 7,371.56 = 2,951.78 : x
  2. Step 2: Convert to fraction form
    5,341.85/7,371.56 = 2,951.78/x
  3. Step 3: Cross multiply
    5,341.85x = 7,371.56 × 2,951.78
  4. Step 4: Simplify right side
    5,341.85x = 21,759,177.29
  5. Step 5: Solve for x
    x = 21,759,177.29/5,341.85
  6. Step 6: Final answer
    x = 4,073.34

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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.