Home / 5,081.42-7,013.02-3,318.14

Finding the Fourth Proportional to 5,081.42, 7,013.02 and 3,318.14

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Solution

The fourth proportional to 5,081.42, 7,013.02 and 3,318.14 is: 4,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.42 : 7,013.02 = 3,318.14 : x
  2. Step 2: Convert to fraction form
    5,081.42/7,013.02 = 3,318.14/x
  3. Step 3: Cross multiply
    5,081.42x = 7,013.02 × 3,318.14
  4. Step 4: Simplify right side
    5,081.42x = 23,270,182.18
  5. Step 5: Solve for x
    x = 23,270,182.18/5,081.42
  6. Step 6: Final answer
    x = 4,579.46

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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.