Home / 2,615.12-3,609.08-1,567.16

Finding the Fourth Proportional to 2,615.12, 3,609.08 and 1,567.16

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Solution

The fourth proportional to 2,615.12, 3,609.08 and 1,567.16 is: 2,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.12 : 3,609.08 = 1,567.16 : x
  2. Step 2: Convert to fraction form
    2,615.12/3,609.08 = 1,567.16/x
  3. Step 3: Cross multiply
    2,615.12x = 3,609.08 × 1,567.16
  4. Step 4: Simplify right side
    2,615.12x = 5,656,005.81
  5. Step 5: Solve for x
    x = 5,656,005.81/2,615.12
  6. Step 6: Final answer
    x = 2,162.81

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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.