Home / 5,182.70-7,151.98-2,824.86

Finding the Fourth Proportional to 5,182.70, 7,151.98 and 2,824.86

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Solution

The fourth proportional to 5,182.70, 7,151.98 and 2,824.86 is: 3,898.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.70 : 7,151.98 = 2,824.86 : x
  2. Step 2: Convert to fraction form
    5,182.70/7,151.98 = 2,824.86/x
  3. Step 3: Cross multiply
    5,182.70x = 7,151.98 × 2,824.86
  4. Step 4: Simplify right side
    5,182.70x = 20,203,342.22
  5. Step 5: Solve for x
    x = 20,203,342.22/5,182.70
  6. Step 6: Final answer
    x = 3,898.23

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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.