Home / 3,574.46-4,933.02-2,158.50

Finding the Fourth Proportional to 3,574.46, 4,933.02 and 2,158.50

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Solution

The fourth proportional to 3,574.46, 4,933.02 and 2,158.50 is: 2,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.46 : 4,933.02 = 2,158.50 : x
  2. Step 2: Convert to fraction form
    3,574.46/4,933.02 = 2,158.50/x
  3. Step 3: Cross multiply
    3,574.46x = 4,933.02 × 2,158.50
  4. Step 4: Simplify right side
    3,574.46x = 10,647,923.67
  5. Step 5: Solve for x
    x = 10,647,923.67/3,574.46
  6. Step 6: Final answer
    x = 2,978.89

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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.