Home / 7,318.92-10,102.14-4,335.78

Finding the Fourth Proportional to 7,318.92, 10,102.14 and 4,335.78

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Solution

The fourth proportional to 7,318.92, 10,102.14 and 4,335.78 is: 5,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.92 : 10,102.14 = 4,335.78 : x
  2. Step 2: Convert to fraction form
    7,318.92/10,102.14 = 4,335.78/x
  3. Step 3: Cross multiply
    7,318.92x = 10,102.14 × 4,335.78
  4. Step 4: Simplify right side
    7,318.92x = 43,800,656.57
  5. Step 5: Solve for x
    x = 43,800,656.57/7,318.92
  6. Step 6: Final answer
    x = 5,984.58

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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.