Home / 6,215.92-8,580.76-4,092.56

Finding the Fourth Proportional to 6,215.92, 8,580.76 and 4,092.56

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Solution

The fourth proportional to 6,215.92, 8,580.76 and 4,092.56 is: 5,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215.92 : 8,580.76 = 4,092.56 : x
  2. Step 2: Convert to fraction form
    6,215.92/8,580.76 = 4,092.56/x
  3. Step 3: Cross multiply
    6,215.92x = 8,580.76 × 4,092.56
  4. Step 4: Simplify right side
    6,215.92x = 35,117,275.15
  5. Step 5: Solve for x
    x = 35,117,275.15/6,215.92
  6. Step 6: Final answer
    x = 5,649.57

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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.