Home / 5,618.66-7,753.75-3,100.77

Finding the Fourth Proportional to 5,618.66, 7,753.75 and 3,100.77

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Solution

The fourth proportional to 5,618.66, 7,753.75 and 3,100.77 is: 4,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.66 : 7,753.75 = 3,100.77 : x
  2. Step 2: Convert to fraction form
    5,618.66/7,753.75 = 3,100.77/x
  3. Step 3: Cross multiply
    5,618.66x = 7,753.75 × 3,100.77
  4. Step 4: Simplify right side
    5,618.66x = 24,042,599.27
  5. Step 5: Solve for x
    x = 24,042,599.27/5,618.66
  6. Step 6: Final answer
    x = 4,279.06

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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.