Home / 5,469.57-7,547.91-3,111.66

Finding the Fourth Proportional to 5,469.57, 7,547.91 and 3,111.66

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Solution

The fourth proportional to 5,469.57, 7,547.91 and 3,111.66 is: 4,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.57 : 7,547.91 = 3,111.66 : x
  2. Step 2: Convert to fraction form
    5,469.57/7,547.91 = 3,111.66/x
  3. Step 3: Cross multiply
    5,469.57x = 7,547.91 × 3,111.66
  4. Step 4: Simplify right side
    5,469.57x = 23,486,529.63
  5. Step 5: Solve for x
    x = 23,486,529.63/5,469.57
  6. Step 6: Final answer
    x = 4,294.04

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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.