Home / 7,778.52-10,736.15-4,423.23

Finding the Fourth Proportional to 7,778.52, 10,736.15 and 4,423.23

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Solution

The fourth proportional to 7,778.52, 10,736.15 and 4,423.23 is: 6,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.52 : 10,736.15 = 4,423.23 : x
  2. Step 2: Convert to fraction form
    7,778.52/10,736.15 = 4,423.23/x
  3. Step 3: Cross multiply
    7,778.52x = 10,736.15 × 4,423.23
  4. Step 4: Simplify right side
    7,778.52x = 47,488,438.65
  5. Step 5: Solve for x
    x = 47,488,438.65/7,778.52
  6. Step 6: Final answer
    x = 6,105.07

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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.