Home / 7,081.60-9,767.20-4,563.96

Finding the Fourth Proportional to 7,081.60, 9,767.20 and 4,563.96

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Solution

The fourth proportional to 7,081.60, 9,767.20 and 4,563.96 is: 6,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.60 : 9,767.20 = 4,563.96 : x
  2. Step 2: Convert to fraction form
    7,081.60/9,767.20 = 4,563.96/x
  3. Step 3: Cross multiply
    7,081.60x = 9,767.20 × 4,563.96
  4. Step 4: Simplify right side
    7,081.60x = 44,577,110.11
  5. Step 5: Solve for x
    x = 44,577,110.11/7,081.60
  6. Step 6: Final answer
    x = 6,294.78

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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.