Home / 4,120.59-5,685.01-2,442.54

Finding the Fourth Proportional to 4,120.59, 5,685.01 and 2,442.54

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Solution

The fourth proportional to 4,120.59, 5,685.01 and 2,442.54 is: 3,369.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.59 : 5,685.01 = 2,442.54 : x
  2. Step 2: Convert to fraction form
    4,120.59/5,685.01 = 2,442.54/x
  3. Step 3: Cross multiply
    4,120.59x = 5,685.01 × 2,442.54
  4. Step 4: Simplify right side
    4,120.59x = 13,885,864.33
  5. Step 5: Solve for x
    x = 13,885,864.33/4,120.59
  6. Step 6: Final answer
    x = 3,369.87

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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.