Home / 7,371.86-10,174.01-4,387.71

Finding the Fourth Proportional to 7,371.86, 10,174.01 and 4,387.71

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Solution

The fourth proportional to 7,371.86, 10,174.01 and 4,387.71 is: 6,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.86 : 10,174.01 = 4,387.71 : x
  2. Step 2: Convert to fraction form
    7,371.86/10,174.01 = 4,387.71/x
  3. Step 3: Cross multiply
    7,371.86x = 10,174.01 × 4,387.71
  4. Step 4: Simplify right side
    7,371.86x = 44,640,570.01
  5. Step 5: Solve for x
    x = 44,640,570.01/7,371.86
  6. Step 6: Final answer
    x = 6,055.53

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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.