Home / 3,809.16-5,712.30-1,618.92

Finding the Fourth Proportional to 3,809.16, 5,712.30 and 1,618.92

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Solution

The fourth proportional to 3,809.16, 5,712.30 and 1,618.92 is: 2,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.16 : 5,712.30 = 1,618.92 : x
  2. Step 2: Convert to fraction form
    3,809.16/5,712.30 = 1,618.92/x
  3. Step 3: Cross multiply
    3,809.16x = 5,712.30 × 1,618.92
  4. Step 4: Simplify right side
    3,809.16x = 9,247,756.72
  5. Step 5: Solve for x
    x = 9,247,756.72/3,809.16
  6. Step 6: Final answer
    x = 2,427.77

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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.