Home / 5,875.64-8,107.62-3,517.28

Finding the Fourth Proportional to 5,875.64, 8,107.62 and 3,517.28

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Solution

The fourth proportional to 5,875.64, 8,107.62 and 3,517.28 is: 4,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.64 : 8,107.62 = 3,517.28 : x
  2. Step 2: Convert to fraction form
    5,875.64/8,107.62 = 3,517.28/x
  3. Step 3: Cross multiply
    5,875.64x = 8,107.62 × 3,517.28
  4. Step 4: Simplify right side
    5,875.64x = 28,516,769.67
  5. Step 5: Solve for x
    x = 28,516,769.67/5,875.64
  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.