Home / 7,778.50-10,736.01-4,590.61

Finding the Fourth Proportional to 7,778.50, 10,736.01 and 4,590.61

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Solution

The fourth proportional to 7,778.50, 10,736.01 and 4,590.61 is: 6,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.50 : 10,736.01 = 4,590.61 : x
  2. Step 2: Convert to fraction form
    7,778.50/10,736.01 = 4,590.61/x
  3. Step 3: Cross multiply
    7,778.50x = 10,736.01 × 4,590.61
  4. Step 4: Simplify right side
    7,778.50x = 49,284,834.87
  5. Step 5: Solve for x
    x = 49,284,834.87/7,778.50
  6. Step 6: Final answer
    x = 6,336.03

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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.