Home / 2,422.16-3,636.62-1,605.68

Finding the Fourth Proportional to 2,422.16, 3,636.62 and 1,605.68

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Solution

The fourth proportional to 2,422.16, 3,636.62 and 1,605.68 is: 2,410.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.16 : 3,636.62 = 1,605.68 : x
  2. Step 2: Convert to fraction form
    2,422.16/3,636.62 = 1,605.68/x
  3. Step 3: Cross multiply
    2,422.16x = 3,636.62 × 1,605.68
  4. Step 4: Simplify right side
    2,422.16x = 5,839,248.00
  5. Step 5: Solve for x
    x = 5,839,248.00/2,422.16
  6. Step 6: Final answer
    x = 2,410.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.