Home / 4,451.76-6,139.44-3,612.24

Finding the Fourth Proportional to 4,451.76, 6,139.44 and 3,612.24

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Solution

The fourth proportional to 4,451.76, 6,139.44 and 3,612.24 is: 4,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.76 : 6,139.44 = 3,612.24 : x
  2. Step 2: Convert to fraction form
    4,451.76/6,139.44 = 3,612.24/x
  3. Step 3: Cross multiply
    4,451.76x = 6,139.44 × 3,612.24
  4. Step 4: Simplify right side
    4,451.76x = 22,177,130.75
  5. Step 5: Solve for x
    x = 22,177,130.75/4,451.76
  6. Step 6: Final answer
    x = 4,981.65

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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.