Home / 5,108.09-7,046.87-3,339.45

Finding the Fourth Proportional to 5,108.09, 7,046.87 and 3,339.45

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Solution

The fourth proportional to 5,108.09, 7,046.87 and 3,339.45 is: 4,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.09 : 7,046.87 = 3,339.45 : x
  2. Step 2: Convert to fraction form
    5,108.09/7,046.87 = 3,339.45/x
  3. Step 3: Cross multiply
    5,108.09x = 7,046.87 × 3,339.45
  4. Step 4: Simplify right side
    5,108.09x = 23,532,653.32
  5. Step 5: Solve for x
    x = 23,532,653.32/5,108.09
  6. Step 6: Final answer
    x = 4,606.94

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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.