Home / 5,029.70-6,920.64-4,900.91

Finding the Fourth Proportional to 5,029.70, 6,920.64 and 4,900.91

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Solution

The fourth proportional to 5,029.70, 6,920.64 and 4,900.91 is: 6,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.70 : 6,920.64 = 4,900.91 : x
  2. Step 2: Convert to fraction form
    5,029.70/6,920.64 = 4,900.91/x
  3. Step 3: Cross multiply
    5,029.70x = 6,920.64 × 4,900.91
  4. Step 4: Simplify right side
    5,029.70x = 33,917,399.18
  5. Step 5: Solve for x
    x = 33,917,399.18/5,029.70
  6. Step 6: Final answer
    x = 6,743.43

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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.