Home / 2,836.93-3,918.65-1,951.18

Finding the Fourth Proportional to 2,836.93, 3,918.65 and 1,951.18

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Solution

The fourth proportional to 2,836.93, 3,918.65 and 1,951.18 is: 2,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.93 : 3,918.65 = 1,951.18 : x
  2. Step 2: Convert to fraction form
    2,836.93/3,918.65 = 1,951.18/x
  3. Step 3: Cross multiply
    2,836.93x = 3,918.65 × 1,951.18
  4. Step 4: Simplify right side
    2,836.93x = 7,645,991.51
  5. Step 5: Solve for x
    x = 7,645,991.51/2,836.93
  6. Step 6: Final answer
    x = 2,695.16

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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.