Home / 5,411.36-7,464.24-3,311.84

Finding the Fourth Proportional to 5,411.36, 7,464.24 and 3,311.84

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Solution

The fourth proportional to 5,411.36, 7,464.24 and 3,311.84 is: 4,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.36 : 7,464.24 = 3,311.84 : x
  2. Step 2: Convert to fraction form
    5,411.36/7,464.24 = 3,311.84/x
  3. Step 3: Cross multiply
    5,411.36x = 7,464.24 × 3,311.84
  4. Step 4: Simplify right side
    5,411.36x = 24,720,368.60
  5. Step 5: Solve for x
    x = 24,720,368.60/5,411.36
  6. Step 6: Final answer
    x = 4,568.24

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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.