Home / 3,867.18-5,336.80-2,374.25

Finding the Fourth Proportional to 3,867.18, 5,336.80 and 2,374.25

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Solution

The fourth proportional to 3,867.18, 5,336.80 and 2,374.25 is: 3,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.18 : 5,336.80 = 2,374.25 : x
  2. Step 2: Convert to fraction form
    3,867.18/5,336.80 = 2,374.25/x
  3. Step 3: Cross multiply
    3,867.18x = 5,336.80 × 2,374.25
  4. Step 4: Simplify right side
    3,867.18x = 12,670,864.78
  5. Step 5: Solve for x
    x = 12,670,864.78/3,867.18
  6. Step 6: Final answer
    x = 3,276.52

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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.