Home / 3,904.68-5,388.30-2,333.64

Finding the Fourth Proportional to 3,904.68, 5,388.30 and 2,333.64

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Solution

The fourth proportional to 3,904.68, 5,388.30 and 2,333.64 is: 3,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.68 : 5,388.30 = 2,333.64 : x
  2. Step 2: Convert to fraction form
    3,904.68/5,388.30 = 2,333.64/x
  3. Step 3: Cross multiply
    3,904.68x = 5,388.30 × 2,333.64
  4. Step 4: Simplify right side
    3,904.68x = 12,574,352.41
  5. Step 5: Solve for x
    x = 12,574,352.41/3,904.68
  6. Step 6: Final answer
    x = 3,220.33

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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.