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Finding the Fourth Proportional to 3,730, 5,595.80 and 1,264.88

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Solution

The fourth proportional to 3,730, 5,595.80 and 1,264.88 is: 1,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730 : 5,595.80 = 1,264.88 : x
  2. Step 2: Convert to fraction form
    3,730/5,595.80 = 1,264.88/x
  3. Step 3: Cross multiply
    3,730x = 5,595.80 × 1,264.88
  4. Step 4: Simplify right side
    3,730x = 7,078,015.50
  5. Step 5: Solve for x
    x = 7,078,015.50/3,730
  6. Step 6: Final answer
    x = 1,897.59

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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.