Home / 3,659.32-5,050.16-2,166.99

Finding the Fourth Proportional to 3,659.32, 5,050.16 and 2,166.99

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Solution

The fourth proportional to 3,659.32, 5,050.16 and 2,166.99 is: 2,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.32 : 5,050.16 = 2,166.99 : x
  2. Step 2: Convert to fraction form
    3,659.32/5,050.16 = 2,166.99/x
  3. Step 3: Cross multiply
    3,659.32x = 5,050.16 × 2,166.99
  4. Step 4: Simplify right side
    3,659.32x = 10,943,646.22
  5. Step 5: Solve for x
    x = 10,943,646.22/3,659.32
  6. Step 6: Final answer
    x = 2,990.62

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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.