Home / 5,875.80-8,107.20-3,517.56

Finding the Fourth Proportional to 5,875.80, 8,107.20 and 3,517.56

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Solution

The fourth proportional to 5,875.80, 8,107.20 and 3,517.56 is: 4,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.80 : 8,107.20 = 3,517.56 : x
  2. Step 2: Convert to fraction form
    5,875.80/8,107.20 = 3,517.56/x
  3. Step 3: Cross multiply
    5,875.80x = 8,107.20 × 3,517.56
  4. Step 4: Simplify right side
    5,875.80x = 28,517,562.43
  5. Step 5: Solve for x
    x = 28,517,562.43/5,875.80
  6. Step 6: Final answer
    x = 4,853.39

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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.