Home / 3,706.29-5,119.67-2,965.55

Finding the Fourth Proportional to 3,706.29, 5,119.67 and 2,965.55

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Solution

The fourth proportional to 3,706.29, 5,119.67 and 2,965.55 is: 4,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.29 : 5,119.67 = 2,965.55 : x
  2. Step 2: Convert to fraction form
    3,706.29/5,119.67 = 2,965.55/x
  3. Step 3: Cross multiply
    3,706.29x = 5,119.67 × 2,965.55
  4. Step 4: Simplify right side
    3,706.29x = 15,182,619.18
  5. Step 5: Solve for x
    x = 15,182,619.18/3,706.29
  6. Step 6: Final answer
    x = 4,096.45

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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.