Home / 5,767.31-8,652.34-1,871.72

Finding the Fourth Proportional to 5,767.31, 8,652.34 and 1,871.72

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Solution

The fourth proportional to 5,767.31, 8,652.34 and 1,871.72 is: 2,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.31 : 8,652.34 = 1,871.72 : x
  2. Step 2: Convert to fraction form
    5,767.31/8,652.34 = 1,871.72/x
  3. Step 3: Cross multiply
    5,767.31x = 8,652.34 × 1,871.72
  4. Step 4: Simplify right side
    5,767.31x = 16,194,749.35
  5. Step 5: Solve for x
    x = 16,194,749.35/5,767.31
  6. Step 6: Final answer
    x = 2,808.02

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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.