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Finding the Fourth Proportional to 4,336.60, 6,500.10 and 2,390.20

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Solution

The fourth proportional to 4,336.60, 6,500.10 and 2,390.20 is: 3,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,336.60 : 6,500.10 = 2,390.20 : x
  2. Step 2: Convert to fraction form
    4,336.60/6,500.10 = 2,390.20/x
  3. Step 3: Cross multiply
    4,336.60x = 6,500.10 × 2,390.20
  4. Step 4: Simplify right side
    4,336.60x = 15,536,539.02
  5. Step 5: Solve for x
    x = 15,536,539.02/4,336.60
  6. Step 6: Final answer
    x = 3,582.65

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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.