Home / 5,199.24-7,180.40-4,489.68

Finding the Fourth Proportional to 5,199.24, 7,180.40 and 4,489.68

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Solution

The fourth proportional to 5,199.24, 7,180.40 and 4,489.68 is: 6,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.24 : 7,180.40 = 4,489.68 : x
  2. Step 2: Convert to fraction form
    5,199.24/7,180.40 = 4,489.68/x
  3. Step 3: Cross multiply
    5,199.24x = 7,180.40 × 4,489.68
  4. Step 4: Simplify right side
    5,199.24x = 32,237,698.27
  5. Step 5: Solve for x
    x = 32,237,698.27/5,199.24
  6. Step 6: Final answer
    x = 6,200.46

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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.