Home / 7,552.71-10,422.60-4,195.40

Finding the Fourth Proportional to 7,552.71, 10,422.60 and 4,195.40

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Solution

The fourth proportional to 7,552.71, 10,422.60 and 4,195.40 is: 5,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.71 : 10,422.60 = 4,195.40 : x
  2. Step 2: Convert to fraction form
    7,552.71/10,422.60 = 4,195.40/x
  3. Step 3: Cross multiply
    7,552.71x = 10,422.60 × 4,195.40
  4. Step 4: Simplify right side
    7,552.71x = 43,726,976.04
  5. Step 5: Solve for x
    x = 43,726,976.04/7,552.71
  6. Step 6: Final answer
    x = 5,789.57

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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.