Home / 2,615.26-3,609.18-1,567.92

Finding the Fourth Proportional to 2,615.26, 3,609.18 and 1,567.92

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Solution

The fourth proportional to 2,615.26, 3,609.18 and 1,567.92 is: 2,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.26 : 3,609.18 = 1,567.92 : x
  2. Step 2: Convert to fraction form
    2,615.26/3,609.18 = 1,567.92/x
  3. Step 3: Cross multiply
    2,615.26x = 3,609.18 × 1,567.92
  4. Step 4: Simplify right side
    2,615.26x = 5,658,905.51
  5. Step 5: Solve for x
    x = 5,658,905.51/2,615.26
  6. Step 6: Final answer
    x = 2,163.80

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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.