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Finding the Fourth Proportional to 4,597.39, 6,890.68 and 2,126.99

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Solution

The fourth proportional to 4,597.39, 6,890.68 and 2,126.99 is: 3,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,597.39 : 6,890.68 = 2,126.99 : x
  2. Step 2: Convert to fraction form
    4,597.39/6,890.68 = 2,126.99/x
  3. Step 3: Cross multiply
    4,597.39x = 6,890.68 × 2,126.99
  4. Step 4: Simplify right side
    4,597.39x = 14,656,401.50
  5. Step 5: Solve for x
    x = 14,656,401.50/4,597.39
  6. Step 6: Final answer
    x = 3,187.98

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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.