Home / 3,521.16-4,859.01-1,949.13

Finding the Fourth Proportional to 3,521.16, 4,859.01 and 1,949.13

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Solution

The fourth proportional to 3,521.16, 4,859.01 and 1,949.13 is: 2,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.16 : 4,859.01 = 1,949.13 : x
  2. Step 2: Convert to fraction form
    3,521.16/4,859.01 = 1,949.13/x
  3. Step 3: Cross multiply
    3,521.16x = 4,859.01 × 1,949.13
  4. Step 4: Simplify right side
    3,521.16x = 9,470,842.16
  5. Step 5: Solve for x
    x = 9,470,842.16/3,521.16
  6. Step 6: Final answer
    x = 2,689.69

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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.