Home / 3,943.56-5,402.65-3,795.84

Finding the Fourth Proportional to 3,943.56, 5,402.65 and 3,795.84

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Solution

The fourth proportional to 3,943.56, 5,402.65 and 3,795.84 is: 5,200.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.56 : 5,402.65 = 3,795.84 : x
  2. Step 2: Convert to fraction form
    3,943.56/5,402.65 = 3,795.84/x
  3. Step 3: Cross multiply
    3,943.56x = 5,402.65 × 3,795.84
  4. Step 4: Simplify right side
    3,943.56x = 20,507,594.98
  5. Step 5: Solve for x
    x = 20,507,594.98/3,943.56
  6. Step 6: Final answer
    x = 5,200.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.