Home / 2,772.02-3,825.26-1,513.05

Finding the Fourth Proportional to 2,772.02, 3,825.26 and 1,513.05

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Solution

The fourth proportional to 2,772.02, 3,825.26 and 1,513.05 is: 2,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.02 : 3,825.26 = 1,513.05 : x
  2. Step 2: Convert to fraction form
    2,772.02/3,825.26 = 1,513.05/x
  3. Step 3: Cross multiply
    2,772.02x = 3,825.26 × 1,513.05
  4. Step 4: Simplify right side
    2,772.02x = 5,787,802.08
  5. Step 5: Solve for x
    x = 5,787,802.08/2,772.02
  6. Step 6: Final answer
    x = 2,087.94

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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.