Home / 3,709.74-5,119.34-2,292.86

Finding the Fourth Proportional to 3,709.74, 5,119.34 and 2,292.86

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Solution

The fourth proportional to 3,709.74, 5,119.34 and 2,292.86 is: 3,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.74 : 5,119.34 = 2,292.86 : x
  2. Step 2: Convert to fraction form
    3,709.74/5,119.34 = 2,292.86/x
  3. Step 3: Cross multiply
    3,709.74x = 5,119.34 × 2,292.86
  4. Step 4: Simplify right side
    3,709.74x = 11,737,929.91
  5. Step 5: Solve for x
    x = 11,737,929.91/3,709.74
  6. Step 6: Final answer
    x = 3,164.08

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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.