Home / 5,268.30-7,270.47-3,030.18

Finding the Fourth Proportional to 5,268.30, 7,270.47 and 3,030.18

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Solution

The fourth proportional to 5,268.30, 7,270.47 and 3,030.18 is: 4,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.30 : 7,270.47 = 3,030.18 : x
  2. Step 2: Convert to fraction form
    5,268.30/7,270.47 = 3,030.18/x
  3. Step 3: Cross multiply
    5,268.30x = 7,270.47 × 3,030.18
  4. Step 4: Simplify right side
    5,268.30x = 22,030,781.28
  5. Step 5: Solve for x
    x = 22,030,781.28/5,268.30
  6. Step 6: Final answer
    x = 4,181.76

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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.