Home / 5,784.72-7,982.92-3,132.14

Finding the Fourth Proportional to 5,784.72, 7,982.92 and 3,132.14

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Solution

The fourth proportional to 5,784.72, 7,982.92 and 3,132.14 is: 4,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.72 : 7,982.92 = 3,132.14 : x
  2. Step 2: Convert to fraction form
    5,784.72/7,982.92 = 3,132.14/x
  3. Step 3: Cross multiply
    5,784.72x = 7,982.92 × 3,132.14
  4. Step 4: Simplify right side
    5,784.72x = 25,003,587.05
  5. Step 5: Solve for x
    x = 25,003,587.05/5,784.72
  6. Step 6: Final answer
    x = 4,322.35

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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.