Home / 7,790.22-10,750.44-4,253.43

Finding the Fourth Proportional to 7,790.22, 10,750.44 and 4,253.43

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Solution

The fourth proportional to 7,790.22, 10,750.44 and 4,253.43 is: 5,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.22 : 10,750.44 = 4,253.43 : x
  2. Step 2: Convert to fraction form
    7,790.22/10,750.44 = 4,253.43/x
  3. Step 3: Cross multiply
    7,790.22x = 10,750.44 × 4,253.43
  4. Step 4: Simplify right side
    7,790.22x = 45,726,244.01
  5. Step 5: Solve for x
    x = 45,726,244.01/7,790.22
  6. Step 6: Final answer
    x = 5,869.70

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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.