Home / 5,548.48-7,643.87-3,866.83

Finding the Fourth Proportional to 5,548.48, 7,643.87 and 3,866.83

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Solution

The fourth proportional to 5,548.48, 7,643.87 and 3,866.83 is: 5,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.48 : 7,643.87 = 3,866.83 : x
  2. Step 2: Convert to fraction form
    5,548.48/7,643.87 = 3,866.83/x
  3. Step 3: Cross multiply
    5,548.48x = 7,643.87 × 3,866.83
  4. Step 4: Simplify right side
    5,548.48x = 29,557,545.83
  5. Step 5: Solve for x
    x = 29,557,545.83/5,548.48
  6. Step 6: Final answer
    x = 5,327.14

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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.