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Finding the Fourth Proportional to 3,708, 5,562 and 972

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Solution

The fourth proportional to 3,708, 5,562 and 972 is: 1,458

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708 : 5,562 = 972 : x
  2. Step 2: Convert to fraction form
    3,708/5,562 = 972/x
  3. Step 3: Cross multiply
    3,708x = 5,562 × 972
  4. Step 4: Simplify right side
    3,708x = 5,406,264
  5. Step 5: Solve for x
    x = 5,406,264/3,708
  6. Step 6: Final answer
    x = 1,458

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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.