Home / 6,627.73-9,142.45-4,139.41

Finding the Fourth Proportional to 6,627.73, 9,142.45 and 4,139.41

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Solution

The fourth proportional to 6,627.73, 9,142.45 and 4,139.41 is: 5,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.73 : 9,142.45 = 4,139.41 : x
  2. Step 2: Convert to fraction form
    6,627.73/9,142.45 = 4,139.41/x
  3. Step 3: Cross multiply
    6,627.73x = 9,142.45 × 4,139.41
  4. Step 4: Simplify right side
    6,627.73x = 37,844,348.95
  5. Step 5: Solve for x
    x = 37,844,348.95/6,627.73
  6. Step 6: Final answer
    x = 5,710.00

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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.