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Finding the Fourth Proportional to 3,895.51, 5,843.05 and 1,122.07

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Solution

The fourth proportional to 3,895.51, 5,843.05 and 1,122.07 is: 1,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.51 : 5,843.05 = 1,122.07 : x
  2. Step 2: Convert to fraction form
    3,895.51/5,843.05 = 1,122.07/x
  3. Step 3: Cross multiply
    3,895.51x = 5,843.05 × 1,122.07
  4. Step 4: Simplify right side
    3,895.51x = 6,556,311.11
  5. Step 5: Solve for x
    x = 6,556,311.11/3,895.51
  6. Step 6: Final answer
    x = 1,683.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.