Home / 5,310.08-7,924.96-5,171.84

Finding the Fourth Proportional to 5,310.08, 7,924.96 and 5,171.84

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Solution

The fourth proportional to 5,310.08, 7,924.96 and 5,171.84 is: 7,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.08 : 7,924.96 = 5,171.84 : x
  2. Step 2: Convert to fraction form
    5,310.08/7,924.96 = 5,171.84/x
  3. Step 3: Cross multiply
    5,310.08x = 7,924.96 × 5,171.84
  4. Step 4: Simplify right side
    5,310.08x = 40,986,625.13
  5. Step 5: Solve for x
    x = 40,986,625.13/5,310.08
  6. Step 6: Final answer
    x = 7,718.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.