Home / 5,548.55-7,643.99-3,866.93

Finding the Fourth Proportional to 5,548.55, 7,643.99 and 3,866.93

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Solution

The fourth proportional to 5,548.55, 7,643.99 and 3,866.93 is: 5,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.55 : 7,643.99 = 3,866.93 : x
  2. Step 2: Convert to fraction form
    5,548.55/7,643.99 = 3,866.93/x
  3. Step 3: Cross multiply
    5,548.55x = 7,643.99 × 3,866.93
  4. Step 4: Simplify right side
    5,548.55x = 29,558,716.70
  5. Step 5: Solve for x
    x = 29,558,716.70/5,548.55
  6. Step 6: Final answer
    x = 5,327.29

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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.