Home / 3,521.04-4,859.07-1,949.22

Finding the Fourth Proportional to 3,521.04, 4,859.07 and 1,949.22

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Solution

The fourth proportional to 3,521.04, 4,859.07 and 1,949.22 is: 2,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.04 : 4,859.07 = 1,949.22 : x
  2. Step 2: Convert to fraction form
    3,521.04/4,859.07 = 1,949.22/x
  3. Step 3: Cross multiply
    3,521.04x = 4,859.07 × 1,949.22
  4. Step 4: Simplify right side
    3,521.04x = 9,471,396.43
  5. Step 5: Solve for x
    x = 9,471,396.43/3,521.04
  6. Step 6: Final answer
    x = 2,689.94

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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.