Home / 5,165.50-7,749.47-1,702.75

Finding the Fourth Proportional to 5,165.50, 7,749.47 and 1,702.75

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Solution

The fourth proportional to 5,165.50, 7,749.47 and 1,702.75 is: 2,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.50 : 7,749.47 = 1,702.75 : x
  2. Step 2: Convert to fraction form
    5,165.50/7,749.47 = 1,702.75/x
  3. Step 3: Cross multiply
    5,165.50x = 7,749.47 × 1,702.75
  4. Step 4: Simplify right side
    5,165.50x = 13,195,401.53
  5. Step 5: Solve for x
    x = 13,195,401.53/5,165.50
  6. Step 6: Final answer
    x = 2,554.53

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1.5x scale

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.