Home / 5,452.20-7,519.77-4,615.20

Finding the Fourth Proportional to 5,452.20, 7,519.77 and 4,615.20

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Solution

The fourth proportional to 5,452.20, 7,519.77 and 4,615.20 is: 6,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.20 : 7,519.77 = 4,615.20 : x
  2. Step 2: Convert to fraction form
    5,452.20/7,519.77 = 4,615.20/x
  3. Step 3: Cross multiply
    5,452.20x = 7,519.77 × 4,615.20
  4. Step 4: Simplify right side
    5,452.20x = 34,705,242.50
  5. Step 5: Solve for x
    x = 34,705,242.50/5,452.20
  6. Step 6: Final answer
    x = 6,365.36

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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.