Home / 5,878.86-8,817.33-2,180.22

Finding the Fourth Proportional to 5,878.86, 8,817.33 and 2,180.22

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Solution

The fourth proportional to 5,878.86, 8,817.33 and 2,180.22 is: 3,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.86 : 8,817.33 = 2,180.22 : x
  2. Step 2: Convert to fraction form
    5,878.86/8,817.33 = 2,180.22/x
  3. Step 3: Cross multiply
    5,878.86x = 8,817.33 × 2,180.22
  4. Step 4: Simplify right side
    5,878.86x = 19,223,719.21
  5. Step 5: Solve for x
    x = 19,223,719.21/5,878.86
  6. Step 6: Final answer
    x = 3,269.97

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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.