Home / 5,537.48-7,642.26-4,137.80

Finding the Fourth Proportional to 5,537.48, 7,642.26 and 4,137.80

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Solution

The fourth proportional to 5,537.48, 7,642.26 and 4,137.80 is: 5,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.48 : 7,642.26 = 4,137.80 : x
  2. Step 2: Convert to fraction form
    5,537.48/7,642.26 = 4,137.80/x
  3. Step 3: Cross multiply
    5,537.48x = 7,642.26 × 4,137.80
  4. Step 4: Simplify right side
    5,537.48x = 31,622,143.43
  5. Step 5: Solve for x
    x = 31,622,143.43/5,537.48
  6. Step 6: Final answer
    x = 5,710.57

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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.