Home / 5,740.17-8,612.07-2,620.05

Finding the Fourth Proportional to 5,740.17, 8,612.07 and 2,620.05

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Solution

The fourth proportional to 5,740.17, 8,612.07 and 2,620.05 is: 3,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.17 : 8,612.07 = 2,620.05 : x
  2. Step 2: Convert to fraction form
    5,740.17/8,612.07 = 2,620.05/x
  3. Step 3: Cross multiply
    5,740.17x = 8,612.07 × 2,620.05
  4. Step 4: Simplify right side
    5,740.17x = 22,564,054.00
  5. Step 5: Solve for x
    x = 22,564,054.00/5,740.17
  6. Step 6: Final answer
    x = 3,930.90

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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.