Home / 3,401.44-4,695.75-2,643.53

Finding the Fourth Proportional to 3,401.44, 4,695.75 and 2,643.53

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Solution

The fourth proportional to 3,401.44, 4,695.75 and 2,643.53 is: 3,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.44 : 4,695.75 = 2,643.53 : x
  2. Step 2: Convert to fraction form
    3,401.44/4,695.75 = 2,643.53/x
  3. Step 3: Cross multiply
    3,401.44x = 4,695.75 × 2,643.53
  4. Step 4: Simplify right side
    3,401.44x = 12,413,319.30
  5. Step 5: Solve for x
    x = 12,413,319.30/3,401.44
  6. Step 6: Final answer
    x = 3,649.43

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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.