Home / 5,872.51-8,104.18-3,219.76

Finding the Fourth Proportional to 5,872.51, 8,104.18 and 3,219.76

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Solution

The fourth proportional to 5,872.51, 8,104.18 and 3,219.76 is: 4,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.51 : 8,104.18 = 3,219.76 : x
  2. Step 2: Convert to fraction form
    5,872.51/8,104.18 = 3,219.76/x
  3. Step 3: Cross multiply
    5,872.51x = 8,104.18 × 3,219.76
  4. Step 4: Simplify right side
    5,872.51x = 26,093,486.29
  5. Step 5: Solve for x
    x = 26,093,486.29/5,872.51
  6. Step 6: Final answer
    x = 4,443.33

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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.