Home / 2,055.45-2,836.64-1,171.53

Finding the Fourth Proportional to 2,055.45, 2,836.64 and 1,171.53

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Solution

The fourth proportional to 2,055.45, 2,836.64 and 1,171.53 is: 1,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.45 : 2,836.64 = 1,171.53 : x
  2. Step 2: Convert to fraction form
    2,055.45/2,836.64 = 1,171.53/x
  3. Step 3: Cross multiply
    2,055.45x = 2,836.64 × 1,171.53
  4. Step 4: Simplify right side
    2,055.45x = 3,323,203.00
  5. Step 5: Solve for x
    x = 3,323,203.00/2,055.45
  6. Step 6: Final answer
    x = 1,616.78

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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.