Home / 5,633.05-7,774.16-3,115.75

Finding the Fourth Proportional to 5,633.05, 7,774.16 and 3,115.75

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Solution

The fourth proportional to 5,633.05, 7,774.16 and 3,115.75 is: 4,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.05 : 7,774.16 = 3,115.75 : x
  2. Step 2: Convert to fraction form
    5,633.05/7,774.16 = 3,115.75/x
  3. Step 3: Cross multiply
    5,633.05x = 7,774.16 × 3,115.75
  4. Step 4: Simplify right side
    5,633.05x = 24,222,284.57
  5. Step 5: Solve for x
    x = 24,222,284.57/5,633.05
  6. Step 6: Final answer
    x = 4,300.03

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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.