Home / 5,353.72-7,390.28-3,536.48

Finding the Fourth Proportional to 5,353.72, 7,390.28 and 3,536.48

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Solution

The fourth proportional to 5,353.72, 7,390.28 and 3,536.48 is: 4,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.72 : 7,390.28 = 3,536.48 : x
  2. Step 2: Convert to fraction form
    5,353.72/7,390.28 = 3,536.48/x
  3. Step 3: Cross multiply
    5,353.72x = 7,390.28 × 3,536.48
  4. Step 4: Simplify right side
    5,353.72x = 26,135,577.41
  5. Step 5: Solve for x
    x = 26,135,577.41/5,353.72
  6. Step 6: Final answer
    x = 4,881.76

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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.