Home / 5,182.51-7,151.67-2,824.60

Finding the Fourth Proportional to 5,182.51, 7,151.67 and 2,824.60

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Solution

The fourth proportional to 5,182.51, 7,151.67 and 2,824.60 is: 3,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.51 : 7,151.67 = 2,824.60 : x
  2. Step 2: Convert to fraction form
    5,182.51/7,151.67 = 2,824.60/x
  3. Step 3: Cross multiply
    5,182.51x = 7,151.67 × 2,824.60
  4. Step 4: Simplify right side
    5,182.51x = 20,200,589.20
  5. Step 5: Solve for x
    x = 20,200,589.20/5,182.51
  6. Step 6: Final answer
    x = 3,897.84

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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.