Home / 5,395.44-7,440.12-3,822.96

Finding the Fourth Proportional to 5,395.44, 7,440.12 and 3,822.96

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Solution

The fourth proportional to 5,395.44, 7,440.12 and 3,822.96 is: 5,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.44 : 7,440.12 = 3,822.96 : x
  2. Step 2: Convert to fraction form
    5,395.44/7,440.12 = 3,822.96/x
  3. Step 3: Cross multiply
    5,395.44x = 7,440.12 × 3,822.96
  4. Step 4: Simplify right side
    5,395.44x = 28,443,281.16
  5. Step 5: Solve for x
    x = 28,443,281.16/5,395.44
  6. Step 6: Final answer
    x = 5,271.73

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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.