Home / 5,551.90-7,661.19-3,193.59

Finding the Fourth Proportional to 5,551.90, 7,661.19 and 3,193.59

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Solution

The fourth proportional to 5,551.90, 7,661.19 and 3,193.59 is: 4,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.90 : 7,661.19 = 3,193.59 : x
  2. Step 2: Convert to fraction form
    5,551.90/7,661.19 = 3,193.59/x
  3. Step 3: Cross multiply
    5,551.90x = 7,661.19 × 3,193.59
  4. Step 4: Simplify right side
    5,551.90x = 24,466,699.77
  5. Step 5: Solve for x
    x = 24,466,699.77/5,551.90
  6. Step 6: Final answer
    x = 4,406.91

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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.