Home / 5,537.98-7,643.25-3,442.78

Finding the Fourth Proportional to 5,537.98, 7,643.25 and 3,442.78

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Solution

The fourth proportional to 5,537.98, 7,643.25 and 3,442.78 is: 4,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.98 : 7,643.25 = 3,442.78 : x
  2. Step 2: Convert to fraction form
    5,537.98/7,643.25 = 3,442.78/x
  3. Step 3: Cross multiply
    5,537.98x = 7,643.25 × 3,442.78
  4. Step 4: Simplify right side
    5,537.98x = 26,314,028.24
  5. Step 5: Solve for x
    x = 26,314,028.24/5,537.98
  6. Step 6: Final answer
    x = 4,751.56

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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.