Home / 5,167.40-7,750.96-1,657.26

Finding the Fourth Proportional to 5,167.40, 7,750.96 and 1,657.26

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Solution

The fourth proportional to 5,167.40, 7,750.96 and 1,657.26 is: 2,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.40 : 7,750.96 = 1,657.26 : x
  2. Step 2: Convert to fraction form
    5,167.40/7,750.96 = 1,657.26/x
  3. Step 3: Cross multiply
    5,167.40x = 7,750.96 × 1,657.26
  4. Step 4: Simplify right side
    5,167.40x = 12,845,351.83
  5. Step 5: Solve for x
    x = 12,845,351.83/5,167.40
  6. Step 6: Final answer
    x = 2,485.85

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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.