Home / 3,427.38-4,729.84-1,935.02

Finding the Fourth Proportional to 3,427.38, 4,729.84 and 1,935.02

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Solution

The fourth proportional to 3,427.38, 4,729.84 and 1,935.02 is: 2,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.38 : 4,729.84 = 1,935.02 : x
  2. Step 2: Convert to fraction form
    3,427.38/4,729.84 = 1,935.02/x
  3. Step 3: Cross multiply
    3,427.38x = 4,729.84 × 1,935.02
  4. Step 4: Simplify right side
    3,427.38x = 9,152,335.00
  5. Step 5: Solve for x
    x = 9,152,335.00/3,427.38
  6. Step 6: Final answer
    x = 2,670.36

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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.