Home / 5,182.18-7,151.36-2,824.32

Finding the Fourth Proportional to 5,182.18, 7,151.36 and 2,824.32

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Solution

The fourth proportional to 5,182.18, 7,151.36 and 2,824.32 is: 3,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.18 : 7,151.36 = 2,824.32 : x
  2. Step 2: Convert to fraction form
    5,182.18/7,151.36 = 2,824.32/x
  3. Step 3: Cross multiply
    5,182.18x = 7,151.36 × 2,824.32
  4. Step 4: Simplify right side
    5,182.18x = 20,197,729.08
  5. Step 5: Solve for x
    x = 20,197,729.08/5,182.18
  6. Step 6: Final answer
    x = 3,897.54

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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.