Home / 5,405.17-7,459.23-3,168.37

Finding the Fourth Proportional to 5,405.17, 7,459.23 and 3,168.37

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Solution

The fourth proportional to 5,405.17, 7,459.23 and 3,168.37 is: 4,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.17 : 7,459.23 = 3,168.37 : x
  2. Step 2: Convert to fraction form
    5,405.17/7,459.23 = 3,168.37/x
  3. Step 3: Cross multiply
    5,405.17x = 7,459.23 × 3,168.37
  4. Step 4: Simplify right side
    5,405.17x = 23,633,600.56
  5. Step 5: Solve for x
    x = 23,633,600.56/5,405.17
  6. Step 6: Final answer
    x = 4,372.41

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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.