Home / 4,221.60-5,825.79-2,333.32

Finding the Fourth Proportional to 4,221.60, 5,825.79 and 2,333.32

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Solution

The fourth proportional to 4,221.60, 5,825.79 and 2,333.32 is: 3,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.60 : 5,825.79 = 2,333.32 : x
  2. Step 2: Convert to fraction form
    4,221.60/5,825.79 = 2,333.32/x
  3. Step 3: Cross multiply
    4,221.60x = 5,825.79 × 2,333.32
  4. Step 4: Simplify right side
    4,221.60x = 13,593,432.32
  5. Step 5: Solve for x
    x = 13,593,432.32/4,221.60
  6. Step 6: Final answer
    x = 3,219.97

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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.