Home / 3,007.40-4,151.36-2,692.11

Finding the Fourth Proportional to 3,007.40, 4,151.36 and 2,692.11

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Solution

The fourth proportional to 3,007.40, 4,151.36 and 2,692.11 is: 3,716.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.40 : 4,151.36 = 2,692.11 : x
  2. Step 2: Convert to fraction form
    3,007.40/4,151.36 = 2,692.11/x
  3. Step 3: Cross multiply
    3,007.40x = 4,151.36 × 2,692.11
  4. Step 4: Simplify right side
    3,007.40x = 11,175,908.93
  5. Step 5: Solve for x
    x = 11,175,908.93/3,007.40
  6. Step 6: Final answer
    x = 3,716.14

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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.