Home / 4,273.18-6,409.98-2,083.78

Finding the Fourth Proportional to 4,273.18, 6,409.98 and 2,083.78

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Solution

The fourth proportional to 4,273.18, 6,409.98 and 2,083.78 is: 3,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.18 : 6,409.98 = 2,083.78 : x
  2. Step 2: Convert to fraction form
    4,273.18/6,409.98 = 2,083.78/x
  3. Step 3: Cross multiply
    4,273.18x = 6,409.98 × 2,083.78
  4. Step 4: Simplify right side
    4,273.18x = 13,356,988.12
  5. Step 5: Solve for x
    x = 13,356,988.12/4,273.18
  6. Step 6: Final answer
    x = 3,125.77

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1.5x scale

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.