Home / 5,320.03-7,977.21-2,031.22

Finding the Fourth Proportional to 5,320.03, 7,977.21 and 2,031.22

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Solution

The fourth proportional to 5,320.03, 7,977.21 and 2,031.22 is: 3,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.03 : 7,977.21 = 2,031.22 : x
  2. Step 2: Convert to fraction form
    5,320.03/7,977.21 = 2,031.22/x
  3. Step 3: Cross multiply
    5,320.03x = 7,977.21 × 2,031.22
  4. Step 4: Simplify right side
    5,320.03x = 16,203,468.50
  5. Step 5: Solve for x
    x = 16,203,468.50/5,320.03
  6. Step 6: Final answer
    x = 3,045.75

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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.