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Finding the Fourth Proportional to 2,913.84, 4,369.14 and 1,180.44

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Solution

The fourth proportional to 2,913.84, 4,369.14 and 1,180.44 is: 1,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.84 : 4,369.14 = 1,180.44 : x
  2. Step 2: Convert to fraction form
    2,913.84/4,369.14 = 1,180.44/x
  3. Step 3: Cross multiply
    2,913.84x = 4,369.14 × 1,180.44
  4. Step 4: Simplify right side
    2,913.84x = 5,157,507.62
  5. Step 5: Solve for x
    x = 5,157,507.62/2,913.84
  6. Step 6: Final answer
    x = 1,770.00

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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.