Home / 2,836.08-3,913.07-1,772.19

Finding the Fourth Proportional to 2,836.08, 3,913.07 and 1,772.19

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Solution

The fourth proportional to 2,836.08, 3,913.07 and 1,772.19 is: 2,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.08 : 3,913.07 = 1,772.19 : x
  2. Step 2: Convert to fraction form
    2,836.08/3,913.07 = 1,772.19/x
  3. Step 3: Cross multiply
    2,836.08x = 3,913.07 × 1,772.19
  4. Step 4: Simplify right side
    2,836.08x = 6,934,694.66
  5. Step 5: Solve for x
    x = 6,934,694.66/2,836.08
  6. Step 6: Final answer
    x = 2,445.17

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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.