Home / 5,246.21-7,865.13-2,471.42

Finding the Fourth Proportional to 5,246.21, 7,865.13 and 2,471.42

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Solution

The fourth proportional to 5,246.21, 7,865.13 and 2,471.42 is: 3,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.21 : 7,865.13 = 2,471.42 : x
  2. Step 2: Convert to fraction form
    5,246.21/7,865.13 = 2,471.42/x
  3. Step 3: Cross multiply
    5,246.21x = 7,865.13 × 2,471.42
  4. Step 4: Simplify right side
    5,246.21x = 19,438,039.58
  5. Step 5: Solve for x
    x = 19,438,039.58/5,246.21
  6. Step 6: Final answer
    x = 3,705.16

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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.