Home / 5,680.08-7,838.35-3,162.19

Finding the Fourth Proportional to 5,680.08, 7,838.35 and 3,162.19

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Solution

The fourth proportional to 5,680.08, 7,838.35 and 3,162.19 is: 4,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.08 : 7,838.35 = 3,162.19 : x
  2. Step 2: Convert to fraction form
    5,680.08/7,838.35 = 3,162.19/x
  3. Step 3: Cross multiply
    5,680.08x = 7,838.35 × 3,162.19
  4. Step 4: Simplify right side
    5,680.08x = 24,786,320.66
  5. Step 5: Solve for x
    x = 24,786,320.66/5,680.08
  6. Step 6: Final answer
    x = 4,363.73

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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.