Home / 4,102.47-5,662.11-2,423.79

Finding the Fourth Proportional to 4,102.47, 5,662.11 and 2,423.79

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Solution

The fourth proportional to 4,102.47, 5,662.11 and 2,423.79 is: 3,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.47 : 5,662.11 = 2,423.79 : x
  2. Step 2: Convert to fraction form
    4,102.47/5,662.11 = 2,423.79/x
  3. Step 3: Cross multiply
    4,102.47x = 5,662.11 × 2,423.79
  4. Step 4: Simplify right side
    4,102.47x = 13,723,765.60
  5. Step 5: Solve for x
    x = 13,723,765.60/4,102.47
  6. Step 6: Final answer
    x = 3,345.24

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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.