Home / 2,758.16-3,809.12-2,521.24

Finding the Fourth Proportional to 2,758.16, 3,809.12 and 2,521.24

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Solution

The fourth proportional to 2,758.16, 3,809.12 and 2,521.24 is: 3,481.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.16 : 3,809.12 = 2,521.24 : x
  2. Step 2: Convert to fraction form
    2,758.16/3,809.12 = 2,521.24/x
  3. Step 3: Cross multiply
    2,758.16x = 3,809.12 × 2,521.24
  4. Step 4: Simplify right side
    2,758.16x = 9,603,705.71
  5. Step 5: Solve for x
    x = 9,603,705.71/2,758.16
  6. Step 6: Final answer
    x = 3,481.92

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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.