Home / 5,519.51-7,616.98-3,001.65

Finding the Fourth Proportional to 5,519.51, 7,616.98 and 3,001.65

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Solution

The fourth proportional to 5,519.51, 7,616.98 and 3,001.65 is: 4,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.51 : 7,616.98 = 3,001.65 : x
  2. Step 2: Convert to fraction form
    5,519.51/7,616.98 = 3,001.65/x
  3. Step 3: Cross multiply
    5,519.51x = 7,616.98 × 3,001.65
  4. Step 4: Simplify right side
    5,519.51x = 22,863,458.68
  5. Step 5: Solve for x
    x = 22,863,458.68/5,519.51
  6. Step 6: Final answer
    x = 4,142.30

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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.