Home / 5,337.22-7,364.68-2,979.46

Finding the Fourth Proportional to 5,337.22, 7,364.68 and 2,979.46

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Solution

The fourth proportional to 5,337.22, 7,364.68 and 2,979.46 is: 4,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.22 : 7,364.68 = 2,979.46 : x
  2. Step 2: Convert to fraction form
    5,337.22/7,364.68 = 2,979.46/x
  3. Step 3: Cross multiply
    5,337.22x = 7,364.68 × 2,979.46
  4. Step 4: Simplify right side
    5,337.22x = 21,942,769.47
  5. Step 5: Solve for x
    x = 21,942,769.47/5,337.22
  6. Step 6: Final answer
    x = 4,111.27

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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.