Home / 6,925.10-9,556.58-3,781.28

Finding the Fourth Proportional to 6,925.10, 9,556.58 and 3,781.28

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Solution

The fourth proportional to 6,925.10, 9,556.58 and 3,781.28 is: 5,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.10 : 9,556.58 = 3,781.28 : x
  2. Step 2: Convert to fraction form
    6,925.10/9,556.58 = 3,781.28/x
  3. Step 3: Cross multiply
    6,925.10x = 9,556.58 × 3,781.28
  4. Step 4: Simplify right side
    6,925.10x = 36,136,138.17
  5. Step 5: Solve for x
    x = 36,136,138.17/6,925.10
  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.