Home / 6,876.08-10,315.88-3,180.96

Finding the Fourth Proportional to 6,876.08, 10,315.88 and 3,180.96

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Solution

The fourth proportional to 6,876.08, 10,315.88 and 3,180.96 is: 4,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.08 : 10,315.88 = 3,180.96 : x
  2. Step 2: Convert to fraction form
    6,876.08/10,315.88 = 3,180.96/x
  3. Step 3: Cross multiply
    6,876.08x = 10,315.88 × 3,180.96
  4. Step 4: Simplify right side
    6,876.08x = 32,814,401.64
  5. Step 5: Solve for x
    x = 32,814,401.64/6,876.08
  6. Step 6: Final answer
    x = 4,772.25

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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.