Home / 3,816.04-5,268.48-2,930.12

Finding the Fourth Proportional to 3,816.04, 5,268.48 and 2,930.12

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Solution

The fourth proportional to 3,816.04, 5,268.48 and 2,930.12 is: 4,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.04 : 5,268.48 = 2,930.12 : x
  2. Step 2: Convert to fraction form
    3,816.04/5,268.48 = 2,930.12/x
  3. Step 3: Cross multiply
    3,816.04x = 5,268.48 × 2,930.12
  4. Step 4: Simplify right side
    3,816.04x = 15,437,278.62
  5. Step 5: Solve for x
    x = 15,437,278.62/3,816.04
  6. Step 6: Final answer
    x = 4,045.37

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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.