Home / 5,469.63-7,548.49-3,111.92

Finding the Fourth Proportional to 5,469.63, 7,548.49 and 3,111.92

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Solution

The fourth proportional to 5,469.63, 7,548.49 and 3,111.92 is: 4,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.63 : 7,548.49 = 3,111.92 : x
  2. Step 2: Convert to fraction form
    5,469.63/7,548.49 = 3,111.92/x
  3. Step 3: Cross multiply
    5,469.63x = 7,548.49 × 3,111.92
  4. Step 4: Simplify right side
    5,469.63x = 23,490,291.46
  5. Step 5: Solve for x
    x = 23,490,291.46/5,469.63
  6. Step 6: Final answer
    x = 4,294.68

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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.