Home / 5,354.11-8,031.14-3,571.40

Finding the Fourth Proportional to 5,354.11, 8,031.14 and 3,571.40

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Solution

The fourth proportional to 5,354.11, 8,031.14 and 3,571.40 is: 5,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.11 : 8,031.14 = 3,571.40 : x
  2. Step 2: Convert to fraction form
    5,354.11/8,031.14 = 3,571.40/x
  3. Step 3: Cross multiply
    5,354.11x = 8,031.14 × 3,571.40
  4. Step 4: Simplify right side
    5,354.11x = 28,682,429.01
  5. Step 5: Solve for x
    x = 28,682,429.01/5,354.11
  6. Step 6: Final answer
    x = 5,357.08

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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.