Home / 3,567.09-4,922.78-1,994.91

Finding the Fourth Proportional to 3,567.09, 4,922.78 and 1,994.91

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Solution

The fourth proportional to 3,567.09, 4,922.78 and 1,994.91 is: 2,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.09 : 4,922.78 = 1,994.91 : x
  2. Step 2: Convert to fraction form
    3,567.09/4,922.78 = 1,994.91/x
  3. Step 3: Cross multiply
    3,567.09x = 4,922.78 × 1,994.91
  4. Step 4: Simplify right side
    3,567.09x = 9,820,493.08
  5. Step 5: Solve for x
    x = 9,820,493.08/3,567.09
  6. Step 6: Final answer
    x = 2,753.08

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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.