Home / 6,081.12-8,392.20-3,428.48

Finding the Fourth Proportional to 6,081.12, 8,392.20 and 3,428.48

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Solution

The fourth proportional to 6,081.12, 8,392.20 and 3,428.48 is: 4,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.12 : 8,392.20 = 3,428.48 : x
  2. Step 2: Convert to fraction form
    6,081.12/8,392.20 = 3,428.48/x
  3. Step 3: Cross multiply
    6,081.12x = 8,392.20 × 3,428.48
  4. Step 4: Simplify right side
    6,081.12x = 28,772,489.86
  5. Step 5: Solve for x
    x = 28,772,489.86/6,081.12
  6. Step 6: Final answer
    x = 4,731.45

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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.