Home / 3,360.16-4,636.88-1,868

Finding the Fourth Proportional to 3,360.16, 4,636.88 and 1,868

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Solution

The fourth proportional to 3,360.16, 4,636.88 and 1,868 is: 2,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.16 : 4,636.88 = 1,868 : x
  2. Step 2: Convert to fraction form
    3,360.16/4,636.88 = 1,868/x
  3. Step 3: Cross multiply
    3,360.16x = 4,636.88 × 1,868
  4. Step 4: Simplify right side
    3,360.16x = 8,661,691.84
  5. Step 5: Solve for x
    x = 8,661,691.84/3,360.16
  6. Step 6: Final answer
    x = 2,577.76

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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.