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Finding the Fourth Proportional to 4,236, 6,354 and 1,158

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Solution

The fourth proportional to 4,236, 6,354 and 1,158 is: 1,737

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,236 : 6,354 = 1,158 : x
  2. Step 2: Convert to fraction form
    4,236/6,354 = 1,158/x
  3. Step 3: Cross multiply
    4,236x = 6,354 × 1,158
  4. Step 4: Simplify right side
    4,236x = 7,357,932
  5. Step 5: Solve for x
    x = 7,357,932/4,236
  6. Step 6: Final answer
    x = 1,737

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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.