Home / 4,243.96-6,352.62-2,678.55

Finding the Fourth Proportional to 4,243.96, 6,352.62 and 2,678.55

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Solution

The fourth proportional to 4,243.96, 6,352.62 and 2,678.55 is: 4,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.96 : 6,352.62 = 2,678.55 : x
  2. Step 2: Convert to fraction form
    4,243.96/6,352.62 = 2,678.55/x
  3. Step 3: Cross multiply
    4,243.96x = 6,352.62 × 2,678.55
  4. Step 4: Simplify right side
    4,243.96x = 17,015,803.60
  5. Step 5: Solve for x
    x = 17,015,803.60/4,243.96
  6. Step 6: Final answer
    x = 4,009.41

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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.