Home / 2,251.12-3,106.96-2,075.44

Finding the Fourth Proportional to 2,251.12, 3,106.96 and 2,075.44

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Solution

The fourth proportional to 2,251.12, 3,106.96 and 2,075.44 is: 2,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.12 : 3,106.96 = 2,075.44 : x
  2. Step 2: Convert to fraction form
    2,251.12/3,106.96 = 2,075.44/x
  3. Step 3: Cross multiply
    2,251.12x = 3,106.96 × 2,075.44
  4. Step 4: Simplify right side
    2,251.12x = 6,448,309.06
  5. Step 5: Solve for x
    x = 6,448,309.06/2,251.12
  6. Step 6: Final answer
    x = 2,864.49

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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.