Home / 3,623.96-5,000.70-2,051.78

Finding the Fourth Proportional to 3,623.96, 5,000.70 and 2,051.78

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Solution

The fourth proportional to 3,623.96, 5,000.70 and 2,051.78 is: 2,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.96 : 5,000.70 = 2,051.78 : x
  2. Step 2: Convert to fraction form
    3,623.96/5,000.70 = 2,051.78/x
  3. Step 3: Cross multiply
    3,623.96x = 5,000.70 × 2,051.78
  4. Step 4: Simplify right side
    3,623.96x = 10,260,336.25
  5. Step 5: Solve for x
    x = 10,260,336.25/3,623.96
  6. Step 6: Final answer
    x = 2,831.25

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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.