Home / 5,182.62-7,152.15-2,824.80

Finding the Fourth Proportional to 5,182.62, 7,152.15 and 2,824.80

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Solution

The fourth proportional to 5,182.62, 7,152.15 and 2,824.80 is: 3,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.62 : 7,152.15 = 2,824.80 : x
  2. Step 2: Convert to fraction form
    5,182.62/7,152.15 = 2,824.80/x
  3. Step 3: Cross multiply
    5,182.62x = 7,152.15 × 2,824.80
  4. Step 4: Simplify right side
    5,182.62x = 20,203,393.32
  5. Step 5: Solve for x
    x = 20,203,393.32/5,182.62
  6. Step 6: Final answer
    x = 3,898.30

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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.