Home / 2,212.91-3,307.28-2,037.77

Finding the Fourth Proportional to 2,212.91, 3,307.28 and 2,037.77

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Solution

The fourth proportional to 2,212.91, 3,307.28 and 2,037.77 is: 3,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.91 : 3,307.28 = 2,037.77 : x
  2. Step 2: Convert to fraction form
    2,212.91/3,307.28 = 2,037.77/x
  3. Step 3: Cross multiply
    2,212.91x = 3,307.28 × 2,037.77
  4. Step 4: Simplify right side
    2,212.91x = 6,739,464.52
  5. Step 5: Solve for x
    x = 6,739,464.52/2,212.91
  6. Step 6: Final answer
    x = 3,045.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.