Home / 3,867.48-5,338.26-2,355.60

Finding the Fourth Proportional to 3,867.48, 5,338.26 and 2,355.60

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Solution

The fourth proportional to 3,867.48, 5,338.26 and 2,355.60 is: 3,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.48 : 5,338.26 = 2,355.60 : x
  2. Step 2: Convert to fraction form
    3,867.48/5,338.26 = 2,355.60/x
  3. Step 3: Cross multiply
    3,867.48x = 5,338.26 × 2,355.60
  4. Step 4: Simplify right side
    3,867.48x = 12,574,805.26
  5. Step 5: Solve for x
    x = 12,574,805.26/3,867.48
  6. Step 6: Final answer
    x = 3,251.42

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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.