Home / 5,153.12-7,106.46-3,474.80

Finding the Fourth Proportional to 5,153.12, 7,106.46 and 3,474.80

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Solution

The fourth proportional to 5,153.12, 7,106.46 and 3,474.80 is: 4,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.12 : 7,106.46 = 3,474.80 : x
  2. Step 2: Convert to fraction form
    5,153.12/7,106.46 = 3,474.80/x
  3. Step 3: Cross multiply
    5,153.12x = 7,106.46 × 3,474.80
  4. Step 4: Simplify right side
    5,153.12x = 24,693,527.21
  5. Step 5: Solve for x
    x = 24,693,527.21/5,153.12
  6. Step 6: Final answer
    x = 4,791.96

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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.