Home / 5,271.74-7,905.18-3,081.14

Finding the Fourth Proportional to 5,271.74, 7,905.18 and 3,081.14

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Solution

The fourth proportional to 5,271.74, 7,905.18 and 3,081.14 is: 4,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.74 : 7,905.18 = 3,081.14 : x
  2. Step 2: Convert to fraction form
    5,271.74/7,905.18 = 3,081.14/x
  3. Step 3: Cross multiply
    5,271.74x = 7,905.18 × 3,081.14
  4. Step 4: Simplify right side
    5,271.74x = 24,356,966.31
  5. Step 5: Solve for x
    x = 24,356,966.31/5,271.74
  6. Step 6: Final answer
    x = 4,620.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.