Home / 7,789.04-10,750.90-4,433.80

Finding the Fourth Proportional to 7,789.04, 10,750.90 and 4,433.80

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Solution

The fourth proportional to 7,789.04, 10,750.90 and 4,433.80 is: 6,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.04 : 10,750.90 = 4,433.80 : x
  2. Step 2: Convert to fraction form
    7,789.04/10,750.90 = 4,433.80/x
  3. Step 3: Cross multiply
    7,789.04x = 10,750.90 × 4,433.80
  4. Step 4: Simplify right side
    7,789.04x = 47,667,340.42
  5. Step 5: Solve for x
    x = 47,667,340.42/7,789.04
  6. Step 6: Final answer
    x = 6,119.80

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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.