Home / 5,056.81-6,978.39-2,932.75

Finding the Fourth Proportional to 5,056.81, 6,978.39 and 2,932.75

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Solution

The fourth proportional to 5,056.81, 6,978.39 and 2,932.75 is: 4,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.81 : 6,978.39 = 2,932.75 : x
  2. Step 2: Convert to fraction form
    5,056.81/6,978.39 = 2,932.75/x
  3. Step 3: Cross multiply
    5,056.81x = 6,978.39 × 2,932.75
  4. Step 4: Simplify right side
    5,056.81x = 20,465,873.27
  5. Step 5: Solve for x
    x = 20,465,873.27/5,056.81
  6. Step 6: Final answer
    x = 4,047.19

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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.