Home / 2,683.18-3,702.45-1,564.48

Finding the Fourth Proportional to 2,683.18, 3,702.45 and 1,564.48

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Solution

The fourth proportional to 2,683.18, 3,702.45 and 1,564.48 is: 2,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.18 : 3,702.45 = 1,564.48 : x
  2. Step 2: Convert to fraction form
    2,683.18/3,702.45 = 1,564.48/x
  3. Step 3: Cross multiply
    2,683.18x = 3,702.45 × 1,564.48
  4. Step 4: Simplify right side
    2,683.18x = 5,792,408.98
  5. Step 5: Solve for x
    x = 5,792,408.98/2,683.18
  6. Step 6: Final answer
    x = 2,158.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.