Home / 6,925.20-9,556.62-3,781.32

Finding the Fourth Proportional to 6,925.20, 9,556.62 and 3,781.32

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Solution

The fourth proportional to 6,925.20, 9,556.62 and 3,781.32 is: 5,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.20 : 9,556.62 = 3,781.32 : x
  2. Step 2: Convert to fraction form
    6,925.20/9,556.62 = 3,781.32/x
  3. Step 3: Cross multiply
    6,925.20x = 9,556.62 × 3,781.32
  4. Step 4: Simplify right side
    6,925.20x = 36,136,638.34
  5. Step 5: Solve for x
    x = 36,136,638.34/6,925.20
  6. Step 6: Final answer
    x = 5,218.14

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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.