Home / 5,405.22-7,459.06-3,015.27

Finding the Fourth Proportional to 5,405.22, 7,459.06 and 3,015.27

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Solution

The fourth proportional to 5,405.22, 7,459.06 and 3,015.27 is: 4,160.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.22 : 7,459.06 = 3,015.27 : x
  2. Step 2: Convert to fraction form
    5,405.22/7,459.06 = 3,015.27/x
  3. Step 3: Cross multiply
    5,405.22x = 7,459.06 × 3,015.27
  4. Step 4: Simplify right side
    5,405.22x = 22,491,079.85
  5. Step 5: Solve for x
    x = 22,491,079.85/5,405.22
  6. Step 6: Final answer
    x = 4,160.99

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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.