Home / 2,074.77-3,107.80-1,252.60

Finding the Fourth Proportional to 2,074.77, 3,107.80 and 1,252.60

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Solution

The fourth proportional to 2,074.77, 3,107.80 and 1,252.60 is: 1,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.77 : 3,107.80 = 1,252.60 : x
  2. Step 2: Convert to fraction form
    2,074.77/3,107.80 = 1,252.60/x
  3. Step 3: Cross multiply
    2,074.77x = 3,107.80 × 1,252.60
  4. Step 4: Simplify right side
    2,074.77x = 3,892,830.28
  5. Step 5: Solve for x
    x = 3,892,830.28/2,074.77
  6. Step 6: Final answer
    x = 1,876.27

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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.