Home / 5,578.66-8,369.51-3,115.25

Finding the Fourth Proportional to 5,578.66, 8,369.51 and 3,115.25

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Solution

The fourth proportional to 5,578.66, 8,369.51 and 3,115.25 is: 4,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.66 : 8,369.51 = 3,115.25 : x
  2. Step 2: Convert to fraction form
    5,578.66/8,369.51 = 3,115.25/x
  3. Step 3: Cross multiply
    5,578.66x = 8,369.51 × 3,115.25
  4. Step 4: Simplify right side
    5,578.66x = 26,073,058.60
  5. Step 5: Solve for x
    x = 26,073,058.60/5,578.66
  6. Step 6: Final answer
    x = 4,673.72

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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.