Home / 5,212.40-7,818.53-1,702.53

Finding the Fourth Proportional to 5,212.40, 7,818.53 and 1,702.53

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Solution

The fourth proportional to 5,212.40, 7,818.53 and 1,702.53 is: 2,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.40 : 7,818.53 = 1,702.53 : x
  2. Step 2: Convert to fraction form
    5,212.40/7,818.53 = 1,702.53/x
  3. Step 3: Cross multiply
    5,212.40x = 7,818.53 × 1,702.53
  4. Step 4: Simplify right side
    5,212.40x = 13,311,273.37
  5. Step 5: Solve for x
    x = 13,311,273.37/5,212.40
  6. Step 6: Final answer
    x = 2,553.77

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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.