Home / 4,042.36-5,564.01-2,861.38

Finding the Fourth Proportional to 4,042.36, 5,564.01 and 2,861.38

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Solution

The fourth proportional to 4,042.36, 5,564.01 and 2,861.38 is: 3,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.36 : 5,564.01 = 2,861.38 : x
  2. Step 2: Convert to fraction form
    4,042.36/5,564.01 = 2,861.38/x
  3. Step 3: Cross multiply
    4,042.36x = 5,564.01 × 2,861.38
  4. Step 4: Simplify right side
    4,042.36x = 15,920,746.93
  5. Step 5: Solve for x
    x = 15,920,746.93/4,042.36
  6. Step 6: Final answer
    x = 3,938.48

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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.