Home / 2,065.60-2,850.49-1,181.35

Finding the Fourth Proportional to 2,065.60, 2,850.49 and 1,181.35

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Solution

The fourth proportional to 2,065.60, 2,850.49 and 1,181.35 is: 1,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.60 : 2,850.49 = 1,181.35 : x
  2. Step 2: Convert to fraction form
    2,065.60/2,850.49 = 1,181.35/x
  3. Step 3: Cross multiply
    2,065.60x = 2,850.49 × 1,181.35
  4. Step 4: Simplify right side
    2,065.60x = 3,367,431.40
  5. Step 5: Solve for x
    x = 3,367,431.40/2,065.60
  6. Step 6: Final answer
    x = 1,630.24

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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.