Home / 5,696.17-7,861.42-3,305.63

Finding the Fourth Proportional to 5,696.17, 7,861.42 and 3,305.63

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Solution

The fourth proportional to 5,696.17, 7,861.42 and 3,305.63 is: 4,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.17 : 7,861.42 = 3,305.63 : x
  2. Step 2: Convert to fraction form
    5,696.17/7,861.42 = 3,305.63/x
  3. Step 3: Cross multiply
    5,696.17x = 7,861.42 × 3,305.63
  4. Step 4: Simplify right side
    5,696.17x = 25,986,909.66
  5. Step 5: Solve for x
    x = 25,986,909.66/5,696.17
  6. Step 6: Final answer
    x = 4,562.18

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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.