Home / 7,790.46-10,750.68-4,253.64

Finding the Fourth Proportional to 7,790.46, 10,750.68 and 4,253.64

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Solution

The fourth proportional to 7,790.46, 10,750.68 and 4,253.64 is: 5,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.46 : 10,750.68 = 4,253.64 : x
  2. Step 2: Convert to fraction form
    7,790.46/10,750.68 = 4,253.64/x
  3. Step 3: Cross multiply
    7,790.46x = 10,750.68 × 4,253.64
  4. Step 4: Simplify right side
    7,790.46x = 45,729,522.48
  5. Step 5: Solve for x
    x = 45,729,522.48/7,790.46
  6. Step 6: Final answer
    x = 5,869.94

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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.