Home / 3,873.42-5,346.10-2,301.21

Finding the Fourth Proportional to 3,873.42, 5,346.10 and 2,301.21

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Solution

The fourth proportional to 3,873.42, 5,346.10 and 2,301.21 is: 3,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.42 : 5,346.10 = 2,301.21 : x
  2. Step 2: Convert to fraction form
    3,873.42/5,346.10 = 2,301.21/x
  3. Step 3: Cross multiply
    3,873.42x = 5,346.10 × 2,301.21
  4. Step 4: Simplify right side
    3,873.42x = 12,302,487.27
  5. Step 5: Solve for x
    x = 12,302,487.27/3,873.42
  6. Step 6: Final answer
    x = 3,176.13

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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.