Home / 5,827.71-8,742.21-1,932.12

Finding the Fourth Proportional to 5,827.71, 8,742.21 and 1,932.12

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Solution

The fourth proportional to 5,827.71, 8,742.21 and 1,932.12 is: 2,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.71 : 8,742.21 = 1,932.12 : x
  2. Step 2: Convert to fraction form
    5,827.71/8,742.21 = 1,932.12/x
  3. Step 3: Cross multiply
    5,827.71x = 8,742.21 × 1,932.12
  4. Step 4: Simplify right side
    5,827.71x = 16,890,998.79
  5. Step 5: Solve for x
    x = 16,890,998.79/5,827.71
  6. Step 6: Final answer
    x = 2,898.39

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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.