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Finding the Fourth Proportional to 2,103.59, 3,154.08 and 1,795.64

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Solution

The fourth proportional to 2,103.59, 3,154.08 and 1,795.64 is: 2,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.59 : 3,154.08 = 1,795.64 : x
  2. Step 2: Convert to fraction form
    2,103.59/3,154.08 = 1,795.64/x
  3. Step 3: Cross multiply
    2,103.59x = 3,154.08 × 1,795.64
  4. Step 4: Simplify right side
    2,103.59x = 5,663,592.21
  5. Step 5: Solve for x
    x = 5,663,592.21/2,103.59
  6. Step 6: Final answer
    x = 2,692.35

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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.