Home / 3,681.13-5,516.32-1,707.36

Finding the Fourth Proportional to 3,681.13, 5,516.32 and 1,707.36

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Solution

The fourth proportional to 3,681.13, 5,516.32 and 1,707.36 is: 2,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.13 : 5,516.32 = 1,707.36 : x
  2. Step 2: Convert to fraction form
    3,681.13/5,516.32 = 1,707.36/x
  3. Step 3: Cross multiply
    3,681.13x = 5,516.32 × 1,707.36
  4. Step 4: Simplify right side
    3,681.13x = 9,418,344.12
  5. Step 5: Solve for x
    x = 9,418,344.12/3,681.13
  6. Step 6: Final answer
    x = 2,558.55

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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.