Home / 3,927.76-5,890.04-1,952.68

Finding the Fourth Proportional to 3,927.76, 5,890.04 and 1,952.68

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Solution

The fourth proportional to 3,927.76, 5,890.04 and 1,952.68 is: 2,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.76 : 5,890.04 = 1,952.68 : x
  2. Step 2: Convert to fraction form
    3,927.76/5,890.04 = 1,952.68/x
  3. Step 3: Cross multiply
    3,927.76x = 5,890.04 × 1,952.68
  4. Step 4: Simplify right side
    3,927.76x = 11,501,363.31
  5. Step 5: Solve for x
    x = 11,501,363.31/3,927.76
  6. Step 6: Final answer
    x = 2,928.22

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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.