Home / 5,371.11-7,410.31-3,485.05

Finding the Fourth Proportional to 5,371.11, 7,410.31 and 3,485.05

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Solution

The fourth proportional to 5,371.11, 7,410.31 and 3,485.05 is: 4,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.11 : 7,410.31 = 3,485.05 : x
  2. Step 2: Convert to fraction form
    5,371.11/7,410.31 = 3,485.05/x
  3. Step 3: Cross multiply
    5,371.11x = 7,410.31 × 3,485.05
  4. Step 4: Simplify right side
    5,371.11x = 25,825,304.27
  5. Step 5: Solve for x
    x = 25,825,304.27/5,371.11
  6. Step 6: Final answer
    x = 4,808.19

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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.