Home / 7,262.42-10,879.36-4,789.70

Finding the Fourth Proportional to 7,262.42, 10,879.36 and 4,789.70

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Solution

The fourth proportional to 7,262.42, 10,879.36 and 4,789.70 is: 7,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.42 : 10,879.36 = 4,789.70 : x
  2. Step 2: Convert to fraction form
    7,262.42/10,879.36 = 4,789.70/x
  3. Step 3: Cross multiply
    7,262.42x = 10,879.36 × 4,789.70
  4. Step 4: Simplify right side
    7,262.42x = 52,108,804.22
  5. Step 5: Solve for x
    x = 52,108,804.22/7,262.42
  6. Step 6: Final answer
    x = 7,175.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.