Home / 5,063.83-6,988.09-2,939.78

Finding the Fourth Proportional to 5,063.83, 6,988.09 and 2,939.78

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Solution

The fourth proportional to 5,063.83, 6,988.09 and 2,939.78 is: 4,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.83 : 6,988.09 = 2,939.78 : x
  2. Step 2: Convert to fraction form
    5,063.83/6,988.09 = 2,939.78/x
  3. Step 3: Cross multiply
    5,063.83x = 6,988.09 × 2,939.78
  4. Step 4: Simplify right side
    5,063.83x = 20,543,447.22
  5. Step 5: Solve for x
    x = 20,543,447.22/5,063.83
  6. Step 6: Final answer
    x = 4,056.90

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1.5x scale

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.