Home / 4,239.88-5,851.14-2,561.32

Finding the Fourth Proportional to 4,239.88, 5,851.14 and 2,561.32

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Solution

The fourth proportional to 4,239.88, 5,851.14 and 2,561.32 is: 3,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.88 : 5,851.14 = 2,561.32 : x
  2. Step 2: Convert to fraction form
    4,239.88/5,851.14 = 2,561.32/x
  3. Step 3: Cross multiply
    4,239.88x = 5,851.14 × 2,561.32
  4. Step 4: Simplify right side
    4,239.88x = 14,986,641.90
  5. Step 5: Solve for x
    x = 14,986,641.90/4,239.88
  6. Step 6: Final answer
    x = 3,534.69

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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.