Home / 3,674.08-5,070.32-2,102.68

Finding the Fourth Proportional to 3,674.08, 5,070.32 and 2,102.68

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Solution

The fourth proportional to 3,674.08, 5,070.32 and 2,102.68 is: 2,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.08 : 5,070.32 = 2,102.68 : x
  2. Step 2: Convert to fraction form
    3,674.08/5,070.32 = 2,102.68/x
  3. Step 3: Cross multiply
    3,674.08x = 5,070.32 × 2,102.68
  4. Step 4: Simplify right side
    3,674.08x = 10,661,260.46
  5. Step 5: Solve for x
    x = 10,661,260.46/3,674.08
  6. Step 6: Final answer
    x = 2,901.75

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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.