Home / 4,120.17-5,686.43-2,352.21

Finding the Fourth Proportional to 4,120.17, 5,686.43 and 2,352.21

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Solution

The fourth proportional to 4,120.17, 5,686.43 and 2,352.21 is: 3,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.17 : 5,686.43 = 2,352.21 : x
  2. Step 2: Convert to fraction form
    4,120.17/5,686.43 = 2,352.21/x
  3. Step 3: Cross multiply
    4,120.17x = 5,686.43 × 2,352.21
  4. Step 4: Simplify right side
    4,120.17x = 13,375,677.51
  5. Step 5: Solve for x
    x = 13,375,677.51/4,120.17
  6. Step 6: Final answer
    x = 3,246.39

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1.5x scale

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.