Home / 2,585.12-3,567.66-1,537.70

Finding the Fourth Proportional to 2,585.12, 3,567.66 and 1,537.70

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Solution

The fourth proportional to 2,585.12, 3,567.66 and 1,537.70 is: 2,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.12 : 3,567.66 = 1,537.70 : x
  2. Step 2: Convert to fraction form
    2,585.12/3,567.66 = 1,537.70/x
  3. Step 3: Cross multiply
    2,585.12x = 3,567.66 × 1,537.70
  4. Step 4: Simplify right side
    2,585.12x = 5,485,990.78
  5. Step 5: Solve for x
    x = 5,485,990.78/2,585.12
  6. Step 6: Final answer
    x = 2,122.14

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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.