Home / 5,269.38-7,272.03-2,911.51

Finding the Fourth Proportional to 5,269.38, 7,272.03 and 2,911.51

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Solution

The fourth proportional to 5,269.38, 7,272.03 and 2,911.51 is: 4,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.38 : 7,272.03 = 2,911.51 : x
  2. Step 2: Convert to fraction form
    5,269.38/7,272.03 = 2,911.51/x
  3. Step 3: Cross multiply
    5,269.38x = 7,272.03 × 2,911.51
  4. Step 4: Simplify right side
    5,269.38x = 21,172,588.07
  5. Step 5: Solve for x
    x = 21,172,588.07/5,269.38
  6. Step 6: Final answer
    x = 4,018.04

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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.