Home / 3,212.04-4,432.08-1,885.56

Finding the Fourth Proportional to 3,212.04, 4,432.08 and 1,885.56

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Solution

The fourth proportional to 3,212.04, 4,432.08 and 1,885.56 is: 2,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.04 : 4,432.08 = 1,885.56 : x
  2. Step 2: Convert to fraction form
    3,212.04/4,432.08 = 1,885.56/x
  3. Step 3: Cross multiply
    3,212.04x = 4,432.08 × 1,885.56
  4. Step 4: Simplify right side
    3,212.04x = 8,356,952.76
  5. Step 5: Solve for x
    x = 8,356,952.76/3,212.04
  6. Step 6: Final answer
    x = 2,601.76

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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.