Home / 7,137.48-10,702.68-4,176.96

Finding the Fourth Proportional to 7,137.48, 10,702.68 and 4,176.96

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Solution

The fourth proportional to 7,137.48, 10,702.68 and 4,176.96 is: 6,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.48 : 10,702.68 = 4,176.96 : x
  2. Step 2: Convert to fraction form
    7,137.48/10,702.68 = 4,176.96/x
  3. Step 3: Cross multiply
    7,137.48x = 10,702.68 × 4,176.96
  4. Step 4: Simplify right side
    7,137.48x = 44,704,666.25
  5. Step 5: Solve for x
    x = 44,704,666.25/7,137.48
  6. Step 6: Final answer
    x = 6,263.37

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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.