Home / 5,402.26-7,455.25-2,979.71

Finding the Fourth Proportional to 5,402.26, 7,455.25 and 2,979.71

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Solution

The fourth proportional to 5,402.26, 7,455.25 and 2,979.71 is: 4,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.26 : 7,455.25 = 2,979.71 : x
  2. Step 2: Convert to fraction form
    5,402.26/7,455.25 = 2,979.71/x
  3. Step 3: Cross multiply
    5,402.26x = 7,455.25 × 2,979.71
  4. Step 4: Simplify right side
    5,402.26x = 22,214,482.98
  5. Step 5: Solve for x
    x = 22,214,482.98/5,402.26
  6. Step 6: Final answer
    x = 4,112.07

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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.