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Finding the Fourth Proportional to 3,931.04, 5,896.56 and 1,009.58

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Solution

The fourth proportional to 3,931.04, 5,896.56 and 1,009.58 is: 1,514.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.04 : 5,896.56 = 1,009.58 : x
  2. Step 2: Convert to fraction form
    3,931.04/5,896.56 = 1,009.58/x
  3. Step 3: Cross multiply
    3,931.04x = 5,896.56 × 1,009.58
  4. Step 4: Simplify right side
    3,931.04x = 5,953,049.04
  5. Step 5: Solve for x
    x = 5,953,049.04/3,931.04
  6. Step 6: Final answer
    x = 1,514.37

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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.