Home / 2,095.08-3,142.46-845.75

Finding the Fourth Proportional to 2,095.08, 3,142.46 and 845.75

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Solution

The fourth proportional to 2,095.08, 3,142.46 and 845.75 is: 1,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.08 : 3,142.46 = 845.75 : x
  2. Step 2: Convert to fraction form
    2,095.08/3,142.46 = 845.75/x
  3. Step 3: Cross multiply
    2,095.08x = 3,142.46 × 845.75
  4. Step 4: Simplify right side
    2,095.08x = 2,657,735.55
  5. Step 5: Solve for x
    x = 2,657,735.55/2,095.08
  6. Step 6: Final answer
    x = 1,268.56

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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.