Home / 5,874.80-8,106.90-4,475.12

Finding the Fourth Proportional to 5,874.80, 8,106.90 and 4,475.12

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Solution

The fourth proportional to 5,874.80, 8,106.90 and 4,475.12 is: 6,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.80 : 8,106.90 = 4,475.12 : x
  2. Step 2: Convert to fraction form
    5,874.80/8,106.90 = 4,475.12/x
  3. Step 3: Cross multiply
    5,874.80x = 8,106.90 × 4,475.12
  4. Step 4: Simplify right side
    5,874.80x = 36,279,350.33
  5. Step 5: Solve for x
    x = 36,279,350.33/5,874.80
  6. Step 6: Final answer
    x = 6,175.42

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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.