Home / 5,878.56-8,112.21-3,225.90

Finding the Fourth Proportional to 5,878.56, 8,112.21 and 3,225.90

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Solution

The fourth proportional to 5,878.56, 8,112.21 and 3,225.90 is: 4,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.56 : 8,112.21 = 3,225.90 : x
  2. Step 2: Convert to fraction form
    5,878.56/8,112.21 = 3,225.90/x
  3. Step 3: Cross multiply
    5,878.56x = 8,112.21 × 3,225.90
  4. Step 4: Simplify right side
    5,878.56x = 26,169,178.24
  5. Step 5: Solve for x
    x = 26,169,178.24/5,878.56
  6. Step 6: Final answer
    x = 4,451.63

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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.