Home / 5,221.29-7,832.81-2,588.93

Finding the Fourth Proportional to 5,221.29, 7,832.81 and 2,588.93

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Solution

The fourth proportional to 5,221.29, 7,832.81 and 2,588.93 is: 3,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.29 : 7,832.81 = 2,588.93 : x
  2. Step 2: Convert to fraction form
    5,221.29/7,832.81 = 2,588.93/x
  3. Step 3: Cross multiply
    5,221.29x = 7,832.81 × 2,588.93
  4. Step 4: Simplify right side
    5,221.29x = 20,278,557.63
  5. Step 5: Solve for x
    x = 20,278,557.63/5,221.29
  6. Step 6: Final answer
    x = 3,883.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.