Home / 2,918.16-4,372.92-2,702.16

Finding the Fourth Proportional to 2,918.16, 4,372.92 and 2,702.16

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Solution

The fourth proportional to 2,918.16, 4,372.92 and 2,702.16 is: 4,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.16 : 4,372.92 = 2,702.16 : x
  2. Step 2: Convert to fraction form
    2,918.16/4,372.92 = 2,702.16/x
  3. Step 3: Cross multiply
    2,918.16x = 4,372.92 × 2,702.16
  4. Step 4: Simplify right side
    2,918.16x = 11,816,329.51
  5. Step 5: Solve for x
    x = 11,816,329.51/2,918.16
  6. Step 6: Final answer
    x = 4,049.24

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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.