Home / 2,966.90-4,095.64-1,772.31

Finding the Fourth Proportional to 2,966.90, 4,095.64 and 1,772.31

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Solution

The fourth proportional to 2,966.90, 4,095.64 and 1,772.31 is: 2,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.90 : 4,095.64 = 1,772.31 : x
  2. Step 2: Convert to fraction form
    2,966.90/4,095.64 = 1,772.31/x
  3. Step 3: Cross multiply
    2,966.90x = 4,095.64 × 1,772.31
  4. Step 4: Simplify right side
    2,966.90x = 7,258,743.73
  5. Step 5: Solve for x
    x = 7,258,743.73/2,966.90
  6. Step 6: Final answer
    x = 2,446.58

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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.