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Finding the Fourth Proportional to 3,339.08, 5,006.54 and 1,259

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Solution

The fourth proportional to 3,339.08, 5,006.54 and 1,259 is: 1,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.08 : 5,006.54 = 1,259 : x
  2. Step 2: Convert to fraction form
    3,339.08/5,006.54 = 1,259/x
  3. Step 3: Cross multiply
    3,339.08x = 5,006.54 × 1,259
  4. Step 4: Simplify right side
    3,339.08x = 6,303,233.86
  5. Step 5: Solve for x
    x = 6,303,233.86/3,339.08
  6. Step 6: Final answer
    x = 1,887.72

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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.