Home / 4,085.91-5,638.14-2,317.41

Finding the Fourth Proportional to 4,085.91, 5,638.14 and 2,317.41

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Solution

The fourth proportional to 4,085.91, 5,638.14 and 2,317.41 is: 3,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.91 : 5,638.14 = 2,317.41 : x
  2. Step 2: Convert to fraction form
    4,085.91/5,638.14 = 2,317.41/x
  3. Step 3: Cross multiply
    4,085.91x = 5,638.14 × 2,317.41
  4. Step 4: Simplify right side
    4,085.91x = 13,065,882.02
  5. Step 5: Solve for x
    x = 13,065,882.02/4,085.91
  6. Step 6: Final answer
    x = 3,197.79

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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.