Home / 7,370.29-10,167.68-4,979.47

Finding the Fourth Proportional to 7,370.29, 10,167.68 and 4,979.47

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Solution

The fourth proportional to 7,370.29, 10,167.68 and 4,979.47 is: 6,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.29 : 10,167.68 = 4,979.47 : x
  2. Step 2: Convert to fraction form
    7,370.29/10,167.68 = 4,979.47/x
  3. Step 3: Cross multiply
    7,370.29x = 10,167.68 × 4,979.47
  4. Step 4: Simplify right side
    7,370.29x = 50,629,682.69
  5. Step 5: Solve for x
    x = 50,629,682.69/7,370.29
  6. Step 6: Final answer
    x = 6,869.43

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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.