Home / 5,680.16-7,838.52-3,162.68

Finding the Fourth Proportional to 5,680.16, 7,838.52 and 3,162.68

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Solution

The fourth proportional to 5,680.16, 7,838.52 and 3,162.68 is: 4,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.16 : 7,838.52 = 3,162.68 : x
  2. Step 2: Convert to fraction form
    5,680.16/7,838.52 = 3,162.68/x
  3. Step 3: Cross multiply
    5,680.16x = 7,838.52 × 3,162.68
  4. Step 4: Simplify right side
    5,680.16x = 24,790,730.43
  5. Step 5: Solve for x
    x = 24,790,730.43/5,680.16
  6. Step 6: Final answer
    x = 4,364.44

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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.