Home / 5,022.88-6,931.46-2,898.41

Finding the Fourth Proportional to 5,022.88, 6,931.46 and 2,898.41

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Solution

The fourth proportional to 5,022.88, 6,931.46 and 2,898.41 is: 3,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.88 : 6,931.46 = 2,898.41 : x
  2. Step 2: Convert to fraction form
    5,022.88/6,931.46 = 2,898.41/x
  3. Step 3: Cross multiply
    5,022.88x = 6,931.46 × 2,898.41
  4. Step 4: Simplify right side
    5,022.88x = 20,090,185.57
  5. Step 5: Solve for x
    x = 20,090,185.57/5,022.88
  6. Step 6: Final answer
    x = 3,999.74

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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.