Home / 5,479.13-7,561.31-2,995.13

Finding the Fourth Proportional to 5,479.13, 7,561.31 and 2,995.13

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Solution

The fourth proportional to 5,479.13, 7,561.31 and 2,995.13 is: 4,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.13 : 7,561.31 = 2,995.13 : x
  2. Step 2: Convert to fraction form
    5,479.13/7,561.31 = 2,995.13/x
  3. Step 3: Cross multiply
    5,479.13x = 7,561.31 × 2,995.13
  4. Step 4: Simplify right side
    5,479.13x = 22,647,076.10
  5. Step 5: Solve for x
    x = 22,647,076.10/5,479.13
  6. Step 6: Final answer
    x = 4,133.34

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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.