Home / 2,680.56-4,022.64-2,434.32

Finding the Fourth Proportional to 2,680.56, 4,022.64 and 2,434.32

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Solution

The fourth proportional to 2,680.56, 4,022.64 and 2,434.32 is: 3,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.56 : 4,022.64 = 2,434.32 : x
  2. Step 2: Convert to fraction form
    2,680.56/4,022.64 = 2,434.32/x
  3. Step 3: Cross multiply
    2,680.56x = 4,022.64 × 2,434.32
  4. Step 4: Simplify right side
    2,680.56x = 9,792,393.00
  5. Step 5: Solve for x
    x = 9,792,393.00/2,680.56
  6. Step 6: Final answer
    x = 3,653.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.