Home / 2,293.84-3,438.20-2,109.32

Finding the Fourth Proportional to 2,293.84, 3,438.20 and 2,109.32

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Solution

The fourth proportional to 2,293.84, 3,438.20 and 2,109.32 is: 3,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.84 : 3,438.20 = 2,109.32 : x
  2. Step 2: Convert to fraction form
    2,293.84/3,438.20 = 2,109.32/x
  3. Step 3: Cross multiply
    2,293.84x = 3,438.20 × 2,109.32
  4. Step 4: Simplify right side
    2,293.84x = 7,252,264.02
  5. Step 5: Solve for x
    x = 7,252,264.02/2,293.84
  6. Step 6: Final answer
    x = 3,161.63

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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.