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Finding the Fourth Proportional to 5,296.39, 7,944.64 and 1,598.65

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Solution

The fourth proportional to 5,296.39, 7,944.64 and 1,598.65 is: 2,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.39 : 7,944.64 = 1,598.65 : x
  2. Step 2: Convert to fraction form
    5,296.39/7,944.64 = 1,598.65/x
  3. Step 3: Cross multiply
    5,296.39x = 7,944.64 × 1,598.65
  4. Step 4: Simplify right side
    5,296.39x = 12,700,698.74
  5. Step 5: Solve for x
    x = 12,700,698.74/5,296.39
  6. Step 6: Final answer
    x = 2,397.99

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Similar ratio
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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.