Home / 4,710.70-7,067.88-2,111.80

Finding the Fourth Proportional to 4,710.70, 7,067.88 and 2,111.80

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Solution

The fourth proportional to 4,710.70, 7,067.88 and 2,111.80 is: 3,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.70 : 7,067.88 = 2,111.80 : x
  2. Step 2: Convert to fraction form
    4,710.70/7,067.88 = 2,111.80/x
  3. Step 3: Cross multiply
    4,710.70x = 7,067.88 × 2,111.80
  4. Step 4: Simplify right side
    4,710.70x = 14,925,948.98
  5. Step 5: Solve for x
    x = 14,925,948.98/4,710.70
  6. Step 6: Final answer
    x = 3,168.52

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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.