Home / 4,172.16-5,757.73-2,758.35

Finding the Fourth Proportional to 4,172.16, 5,757.73 and 2,758.35

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Solution

The fourth proportional to 4,172.16, 5,757.73 and 2,758.35 is: 3,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.16 : 5,757.73 = 2,758.35 : x
  2. Step 2: Convert to fraction form
    4,172.16/5,757.73 = 2,758.35/x
  3. Step 3: Cross multiply
    4,172.16x = 5,757.73 × 2,758.35
  4. Step 4: Simplify right side
    4,172.16x = 15,881,864.76
  5. Step 5: Solve for x
    x = 15,881,864.76/4,172.16
  6. Step 6: Final answer
    x = 3,806.63

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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.