Home / 5,170.01-7,134.58-2,812.16

Finding the Fourth Proportional to 5,170.01, 7,134.58 and 2,812.16

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Solution

The fourth proportional to 5,170.01, 7,134.58 and 2,812.16 is: 3,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.01 : 7,134.58 = 2,812.16 : x
  2. Step 2: Convert to fraction form
    5,170.01/7,134.58 = 2,812.16/x
  3. Step 3: Cross multiply
    5,170.01x = 7,134.58 × 2,812.16
  4. Step 4: Simplify right side
    5,170.01x = 20,063,537.79
  5. Step 5: Solve for x
    x = 20,063,537.79/5,170.01
  6. Step 6: Final answer
    x = 3,880.75

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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.