Home / 5,469.98-7,548.60-3,111.68

Finding the Fourth Proportional to 5,469.98, 7,548.60 and 3,111.68

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Solution

The fourth proportional to 5,469.98, 7,548.60 and 3,111.68 is: 4,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.98 : 7,548.60 = 3,111.68 : x
  2. Step 2: Convert to fraction form
    5,469.98/7,548.60 = 3,111.68/x
  3. Step 3: Cross multiply
    5,469.98x = 7,548.60 × 3,111.68
  4. Step 4: Simplify right side
    5,469.98x = 23,488,827.65
  5. Step 5: Solve for x
    x = 23,488,827.65/5,469.98
  6. Step 6: Final answer
    x = 4,294.13

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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.