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Finding the Fourth Proportional to 3,483.92, 5,225.72 and 1,143.63

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Solution

The fourth proportional to 3,483.92, 5,225.72 and 1,143.63 is: 1,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.92 : 5,225.72 = 1,143.63 : x
  2. Step 2: Convert to fraction form
    3,483.92/5,225.72 = 1,143.63/x
  3. Step 3: Cross multiply
    3,483.92x = 5,225.72 × 1,143.63
  4. Step 4: Simplify right side
    3,483.92x = 5,976,284.45
  5. Step 5: Solve for x
    x = 5,976,284.45/3,483.92
  6. Step 6: Final answer
    x = 1,715.39

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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.