Home / 5,689.10-7,850.01-3,170.66

Finding the Fourth Proportional to 5,689.10, 7,850.01 and 3,170.66

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Solution

The fourth proportional to 5,689.10, 7,850.01 and 3,170.66 is: 4,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.10 : 7,850.01 = 3,170.66 : x
  2. Step 2: Convert to fraction form
    5,689.10/7,850.01 = 3,170.66/x
  3. Step 3: Cross multiply
    5,689.10x = 7,850.01 × 3,170.66
  4. Step 4: Simplify right side
    5,689.10x = 24,889,696.85
  5. Step 5: Solve for x
    x = 24,889,696.85/5,689.10
  6. Step 6: Final answer
    x = 4,374.98

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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.