Home / 3,521.06-4,859.18-2,028.86

Finding the Fourth Proportional to 3,521.06, 4,859.18 and 2,028.86

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Solution

The fourth proportional to 3,521.06, 4,859.18 and 2,028.86 is: 2,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.06 : 4,859.18 = 2,028.86 : x
  2. Step 2: Convert to fraction form
    3,521.06/4,859.18 = 2,028.86/x
  3. Step 3: Cross multiply
    3,521.06x = 4,859.18 × 2,028.86
  4. Step 4: Simplify right side
    3,521.06x = 9,858,595.93
  5. Step 5: Solve for x
    x = 9,858,595.93/3,521.06
  6. Step 6: Final answer
    x = 2,799.89

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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.