Home / 3,848.60-5,309.39-2,356.58

Finding the Fourth Proportional to 3,848.60, 5,309.39 and 2,356.58

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Solution

The fourth proportional to 3,848.60, 5,309.39 and 2,356.58 is: 3,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.60 : 5,309.39 = 2,356.58 : x
  2. Step 2: Convert to fraction form
    3,848.60/5,309.39 = 2,356.58/x
  3. Step 3: Cross multiply
    3,848.60x = 5,309.39 × 2,356.58
  4. Step 4: Simplify right side
    3,848.60x = 12,511,963.96
  5. Step 5: Solve for x
    x = 12,511,963.96/3,848.60
  6. Step 6: Final answer
    x = 3,251.05

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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.