Home / 5,154.23-7,112.41-3,029.83

Finding the Fourth Proportional to 5,154.23, 7,112.41 and 3,029.83

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Solution

The fourth proportional to 5,154.23, 7,112.41 and 3,029.83 is: 4,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.23 : 7,112.41 = 3,029.83 : x
  2. Step 2: Convert to fraction form
    5,154.23/7,112.41 = 3,029.83/x
  3. Step 3: Cross multiply
    5,154.23x = 7,112.41 × 3,029.83
  4. Step 4: Simplify right side
    5,154.23x = 21,549,387.84
  5. Step 5: Solve for x
    x = 21,549,387.84/5,154.23
  6. Step 6: Final answer
    x = 4,180.91

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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.