Home / 5,451.51-8,174.28-1,702.26

Finding the Fourth Proportional to 5,451.51, 8,174.28 and 1,702.26

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Solution

The fourth proportional to 5,451.51, 8,174.28 and 1,702.26 is: 2,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.51 : 8,174.28 = 1,702.26 : x
  2. Step 2: Convert to fraction form
    5,451.51/8,174.28 = 1,702.26/x
  3. Step 3: Cross multiply
    5,451.51x = 8,174.28 × 1,702.26
  4. Step 4: Simplify right side
    5,451.51x = 13,914,749.87
  5. Step 5: Solve for x
    x = 13,914,749.87/5,451.51
  6. Step 6: Final answer
    x = 2,552.46

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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.