Home / 2,836.56-3,913.98-1,577.58

Finding the Fourth Proportional to 2,836.56, 3,913.98 and 1,577.58

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Solution

The fourth proportional to 2,836.56, 3,913.98 and 1,577.58 is: 2,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.56 : 3,913.98 = 1,577.58 : x
  2. Step 2: Convert to fraction form
    2,836.56/3,913.98 = 1,577.58/x
  3. Step 3: Cross multiply
    2,836.56x = 3,913.98 × 1,577.58
  4. Step 4: Simplify right side
    2,836.56x = 6,174,616.57
  5. Step 5: Solve for x
    x = 6,174,616.57/2,836.56
  6. Step 6: Final answer
    x = 2,176.80

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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.