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Finding the Fourth Proportional to 2,604.68, 3,590.72 and 1,857.34

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Solution

The fourth proportional to 2,604.68, 3,590.72 and 1,857.34 is: 2,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604.68 : 3,590.72 = 1,857.34 : x
  2. Step 2: Convert to fraction form
    2,604.68/3,590.72 = 1,857.34/x
  3. Step 3: Cross multiply
    2,604.68x = 3,590.72 × 1,857.34
  4. Step 4: Simplify right side
    2,604.68x = 6,669,169.62
  5. Step 5: Solve for x
    x = 6,669,169.62/2,604.68
  6. Step 6: Final answer
    x = 2,560.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.