Home / 5,850.70-8,780.15-3,382.12

Finding the Fourth Proportional to 5,850.70, 8,780.15 and 3,382.12

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Solution

The fourth proportional to 5,850.70, 8,780.15 and 3,382.12 is: 5,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,850.70 : 8,780.15 = 3,382.12 : x
  2. Step 2: Convert to fraction form
    5,850.70/8,780.15 = 3,382.12/x
  3. Step 3: Cross multiply
    5,850.70x = 8,780.15 × 3,382.12
  4. Step 4: Simplify right side
    5,850.70x = 29,695,521.32
  5. Step 5: Solve for x
    x = 29,695,521.32/5,850.70
  6. Step 6: Final answer
    x = 5,075.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.