Home / 6,625.85-9,143.78-3,642.03

Finding the Fourth Proportional to 6,625.85, 9,143.78 and 3,642.03

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Solution

The fourth proportional to 6,625.85, 9,143.78 and 3,642.03 is: 5,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.85 : 9,143.78 = 3,642.03 : x
  2. Step 2: Convert to fraction form
    6,625.85/9,143.78 = 3,642.03/x
  3. Step 3: Cross multiply
    6,625.85x = 9,143.78 × 3,642.03
  4. Step 4: Simplify right side
    6,625.85x = 33,301,902.86
  5. Step 5: Solve for x
    x = 33,301,902.86/6,625.85
  6. Step 6: Final answer
    x = 5,026.06

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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.