Home / 5,604.88-8,408.76-2,140.24

Finding the Fourth Proportional to 5,604.88, 8,408.76 and 2,140.24

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Solution

The fourth proportional to 5,604.88, 8,408.76 and 2,140.24 is: 3,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.88 : 8,408.76 = 2,140.24 : x
  2. Step 2: Convert to fraction form
    5,604.88/8,408.76 = 2,140.24/x
  3. Step 3: Cross multiply
    5,604.88x = 8,408.76 × 2,140.24
  4. Step 4: Simplify right side
    5,604.88x = 17,996,764.50
  5. Step 5: Solve for x
    x = 17,996,764.50/5,604.88
  6. Step 6: Final answer
    x = 3,210.91

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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.