Home / 2,695.21-3,719.38-1,516.28

Finding the Fourth Proportional to 2,695.21, 3,719.38 and 1,516.28

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Solution

The fourth proportional to 2,695.21, 3,719.38 and 1,516.28 is: 2,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.21 : 3,719.38 = 1,516.28 : x
  2. Step 2: Convert to fraction form
    2,695.21/3,719.38 = 1,516.28/x
  3. Step 3: Cross multiply
    2,695.21x = 3,719.38 × 1,516.28
  4. Step 4: Simplify right side
    2,695.21x = 5,639,612.21
  5. Step 5: Solve for x
    x = 5,639,612.21/2,695.21
  6. Step 6: Final answer
    x = 2,092.46

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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.