Home / 5,175.77-7,764.26-2,402.19

Finding the Fourth Proportional to 5,175.77, 7,764.26 and 2,402.19

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Solution

The fourth proportional to 5,175.77, 7,764.26 and 2,402.19 is: 3,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.77 : 7,764.26 = 2,402.19 : x
  2. Step 2: Convert to fraction form
    5,175.77/7,764.26 = 2,402.19/x
  3. Step 3: Cross multiply
    5,175.77x = 7,764.26 × 2,402.19
  4. Step 4: Simplify right side
    5,175.77x = 18,651,215.72
  5. Step 5: Solve for x
    x = 18,651,215.72/5,175.77
  6. Step 6: Final answer
    x = 3,603.57

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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.