Home / 5,349.85-7,382.78-2,992.01

Finding the Fourth Proportional to 5,349.85, 7,382.78 and 2,992.01

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Solution

The fourth proportional to 5,349.85, 7,382.78 and 2,992.01 is: 4,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.85 : 7,382.78 = 2,992.01 : x
  2. Step 2: Convert to fraction form
    5,349.85/7,382.78 = 2,992.01/x
  3. Step 3: Cross multiply
    5,349.85x = 7,382.78 × 2,992.01
  4. Step 4: Simplify right side
    5,349.85x = 22,089,310.93
  5. Step 5: Solve for x
    x = 22,089,310.93/5,349.85
  6. Step 6: Final answer
    x = 4,128.96

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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.