Home / 5,230.32-7,226.96-4,120.08

Finding the Fourth Proportional to 5,230.32, 7,226.96 and 4,120.08

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Solution

The fourth proportional to 5,230.32, 7,226.96 and 4,120.08 is: 5,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.32 : 7,226.96 = 4,120.08 : x
  2. Step 2: Convert to fraction form
    5,230.32/7,226.96 = 4,120.08/x
  3. Step 3: Cross multiply
    5,230.32x = 7,226.96 × 4,120.08
  4. Step 4: Simplify right side
    5,230.32x = 29,775,653.36
  5. Step 5: Solve for x
    x = 29,775,653.36/5,230.32
  6. Step 6: Final answer
    x = 5,692.89

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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.