Home / 5,874.70-8,104.85-3,750.31

Finding the Fourth Proportional to 5,874.70, 8,104.85 and 3,750.31

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Solution

The fourth proportional to 5,874.70, 8,104.85 and 3,750.31 is: 5,174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.70 : 8,104.85 = 3,750.31 : x
  2. Step 2: Convert to fraction form
    5,874.70/8,104.85 = 3,750.31/x
  3. Step 3: Cross multiply
    5,874.70x = 8,104.85 × 3,750.31
  4. Step 4: Simplify right side
    5,874.70x = 30,395,689.12
  5. Step 5: Solve for x
    x = 30,395,689.12/5,874.70
  6. Step 6: Final answer
    x = 5,174.00

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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.