Home / 4,120.23-5,685.87-2,352.42

Finding the Fourth Proportional to 4,120.23, 5,685.87 and 2,352.42

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Solution

The fourth proportional to 4,120.23, 5,685.87 and 2,352.42 is: 3,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.23 : 5,685.87 = 2,352.42 : x
  2. Step 2: Convert to fraction form
    4,120.23/5,685.87 = 2,352.42/x
  3. Step 3: Cross multiply
    4,120.23x = 5,685.87 × 2,352.42
  4. Step 4: Simplify right side
    4,120.23x = 13,375,554.31
  5. Step 5: Solve for x
    x = 13,375,554.31/4,120.23
  6. Step 6: Final answer
    x = 3,246.31

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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.