Home / 2,587.36-3,567.80-1,923.12

Finding the Fourth Proportional to 2,587.36, 3,567.80 and 1,923.12

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Solution

The fourth proportional to 2,587.36, 3,567.80 and 1,923.12 is: 2,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.36 : 3,567.80 = 1,923.12 : x
  2. Step 2: Convert to fraction form
    2,587.36/3,567.80 = 1,923.12/x
  3. Step 3: Cross multiply
    2,587.36x = 3,567.80 × 1,923.12
  4. Step 4: Simplify right side
    2,587.36x = 6,861,307.54
  5. Step 5: Solve for x
    x = 6,861,307.54/2,587.36
  6. Step 6: Final answer
    x = 2,651.86

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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.