Home / 5,644.17-7,785.99-3,519.36

Finding the Fourth Proportional to 5,644.17, 7,785.99 and 3,519.36

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Solution

The fourth proportional to 5,644.17, 7,785.99 and 3,519.36 is: 4,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.17 : 7,785.99 = 3,519.36 : x
  2. Step 2: Convert to fraction form
    5,644.17/7,785.99 = 3,519.36/x
  3. Step 3: Cross multiply
    5,644.17x = 7,785.99 × 3,519.36
  4. Step 4: Simplify right side
    5,644.17x = 27,401,701.77
  5. Step 5: Solve for x
    x = 27,401,701.77/5,644.17
  6. Step 6: Final answer
    x = 4,854.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.