Home / 5,405.52-7,459.46-3,015.56

Finding the Fourth Proportional to 5,405.52, 7,459.46 and 3,015.56

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Solution

The fourth proportional to 5,405.52, 7,459.46 and 3,015.56 is: 4,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.52 : 7,459.46 = 3,015.56 : x
  2. Step 2: Convert to fraction form
    5,405.52/7,459.46 = 3,015.56/x
  3. Step 3: Cross multiply
    5,405.52x = 7,459.46 × 3,015.56
  4. Step 4: Simplify right side
    5,405.52x = 22,494,396.82
  5. Step 5: Solve for x
    x = 22,494,396.82/5,405.52
  6. Step 6: Final answer
    x = 4,161.38

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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.