Home / 3,574.41-4,932.85-2,158.07

Finding the Fourth Proportional to 3,574.41, 4,932.85 and 2,158.07

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Solution

The fourth proportional to 3,574.41, 4,932.85 and 2,158.07 is: 2,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.41 : 4,932.85 = 2,158.07 : x
  2. Step 2: Convert to fraction form
    3,574.41/4,932.85 = 2,158.07/x
  3. Step 3: Cross multiply
    3,574.41x = 4,932.85 × 2,158.07
  4. Step 4: Simplify right side
    3,574.41x = 10,645,435.60
  5. Step 5: Solve for x
    x = 10,645,435.60/3,574.41
  6. Step 6: Final answer
    x = 2,978.24

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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.