Home / 2,695.28-3,720.06-1,576.22

Finding the Fourth Proportional to 2,695.28, 3,720.06 and 1,576.22

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Solution

The fourth proportional to 2,695.28, 3,720.06 and 1,576.22 is: 2,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.28 : 3,720.06 = 1,576.22 : x
  2. Step 2: Convert to fraction form
    2,695.28/3,720.06 = 1,576.22/x
  3. Step 3: Cross multiply
    2,695.28x = 3,720.06 × 1,576.22
  4. Step 4: Simplify right side
    2,695.28x = 5,863,632.97
  5. Step 5: Solve for x
    x = 5,863,632.97/2,695.28
  6. Step 6: Final answer
    x = 2,175.52

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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.