Home / 2,277.07-3,416.42-961.15

Finding the Fourth Proportional to 2,277.07, 3,416.42 and 961.15

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Solution

The fourth proportional to 2,277.07, 3,416.42 and 961.15 is: 1,442.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.07 : 3,416.42 = 961.15 : x
  2. Step 2: Convert to fraction form
    2,277.07/3,416.42 = 961.15/x
  3. Step 3: Cross multiply
    2,277.07x = 3,416.42 × 961.15
  4. Step 4: Simplify right side
    2,277.07x = 3,283,692.08
  5. Step 5: Solve for x
    x = 3,283,692.08/2,277.07
  6. Step 6: Final answer
    x = 1,442.07

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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.