Home / 3,851.90-5,317.14-2,596.53

Finding the Fourth Proportional to 3,851.90, 5,317.14 and 2,596.53

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Solution

The fourth proportional to 3,851.90, 5,317.14 and 2,596.53 is: 3,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.90 : 5,317.14 = 2,596.53 : x
  2. Step 2: Convert to fraction form
    3,851.90/5,317.14 = 2,596.53/x
  3. Step 3: Cross multiply
    3,851.90x = 5,317.14 × 2,596.53
  4. Step 4: Simplify right side
    3,851.90x = 13,806,113.52
  5. Step 5: Solve for x
    x = 13,806,113.52/3,851.90
  6. Step 6: Final answer
    x = 3,584.23

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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.