Home / 3,450.71-4,761.31-2,386.82

Finding the Fourth Proportional to 3,450.71, 4,761.31 and 2,386.82

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Solution

The fourth proportional to 3,450.71, 4,761.31 and 2,386.82 is: 3,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.71 : 4,761.31 = 2,386.82 : x
  2. Step 2: Convert to fraction form
    3,450.71/4,761.31 = 2,386.82/x
  3. Step 3: Cross multiply
    3,450.71x = 4,761.31 × 2,386.82
  4. Step 4: Simplify right side
    3,450.71x = 11,364,389.93
  5. Step 5: Solve for x
    x = 11,364,389.93/3,450.71
  6. Step 6: Final answer
    x = 3,293.35

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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.