Home / 5,447.72-7,521.36-3,353.06

Finding the Fourth Proportional to 5,447.72, 7,521.36 and 3,353.06

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Solution

The fourth proportional to 5,447.72, 7,521.36 and 3,353.06 is: 4,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.72 : 7,521.36 = 3,353.06 : x
  2. Step 2: Convert to fraction form
    5,447.72/7,521.36 = 3,353.06/x
  3. Step 3: Cross multiply
    5,447.72x = 7,521.36 × 3,353.06
  4. Step 4: Simplify right side
    5,447.72x = 25,219,577.59
  5. Step 5: Solve for x
    x = 25,219,577.59/5,447.72
  6. Step 6: Final answer
    x = 4,629.38

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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.