Home / 5,328.78-7,353.75-3,204.36

Finding the Fourth Proportional to 5,328.78, 7,353.75 and 3,204.36

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Solution

The fourth proportional to 5,328.78, 7,353.75 and 3,204.36 is: 4,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.78 : 7,353.75 = 3,204.36 : x
  2. Step 2: Convert to fraction form
    5,328.78/7,353.75 = 3,204.36/x
  3. Step 3: Cross multiply
    5,328.78x = 7,353.75 × 3,204.36
  4. Step 4: Simplify right side
    5,328.78x = 23,564,062.35
  5. Step 5: Solve for x
    x = 23,564,062.35/5,328.78
  6. Step 6: Final answer
    x = 4,422.04

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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.