Home / 4,180.10-6,270.95-2,100.56

Finding the Fourth Proportional to 4,180.10, 6,270.95 and 2,100.56

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Solution

The fourth proportional to 4,180.10, 6,270.95 and 2,100.56 is: 3,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.10 : 6,270.95 = 2,100.56 : x
  2. Step 2: Convert to fraction form
    4,180.10/6,270.95 = 2,100.56/x
  3. Step 3: Cross multiply
    4,180.10x = 6,270.95 × 2,100.56
  4. Step 4: Simplify right side
    4,180.10x = 13,172,480.63
  5. Step 5: Solve for x
    x = 13,172,480.63/4,180.10
  6. Step 6: Final answer
    x = 3,151.24

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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.