Home / 5,158.09-7,120.02-3,062.22

Finding the Fourth Proportional to 5,158.09, 7,120.02 and 3,062.22

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Solution

The fourth proportional to 5,158.09, 7,120.02 and 3,062.22 is: 4,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.09 : 7,120.02 = 3,062.22 : x
  2. Step 2: Convert to fraction form
    5,158.09/7,120.02 = 3,062.22/x
  3. Step 3: Cross multiply
    5,158.09x = 7,120.02 × 3,062.22
  4. Step 4: Simplify right side
    5,158.09x = 21,803,067.64
  5. Step 5: Solve for x
    x = 21,803,067.64/5,158.09
  6. Step 6: Final answer
    x = 4,226.97

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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.