Home / 5,633.58-7,774.16-3,115.65

Finding the Fourth Proportional to 5,633.58, 7,774.16 and 3,115.65

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Solution

The fourth proportional to 5,633.58, 7,774.16 and 3,115.65 is: 4,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.58 : 7,774.16 = 3,115.65 : x
  2. Step 2: Convert to fraction form
    5,633.58/7,774.16 = 3,115.65/x
  3. Step 3: Cross multiply
    5,633.58x = 7,774.16 × 3,115.65
  4. Step 4: Simplify right side
    5,633.58x = 24,221,546.03
  5. Step 5: Solve for x
    x = 24,221,546.03/5,633.58
  6. Step 6: Final answer
    x = 4,299.49

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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.