Home / 2,948.31-4,068.74-1,622.04

Finding the Fourth Proportional to 2,948.31, 4,068.74 and 1,622.04

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Solution

The fourth proportional to 2,948.31, 4,068.74 and 1,622.04 is: 2,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.31 : 4,068.74 = 1,622.04 : x
  2. Step 2: Convert to fraction form
    2,948.31/4,068.74 = 1,622.04/x
  3. Step 3: Cross multiply
    2,948.31x = 4,068.74 × 1,622.04
  4. Step 4: Simplify right side
    2,948.31x = 6,599,650.92
  5. Step 5: Solve for x
    x = 6,599,650.92/2,948.31
  6. Step 6: Final answer
    x = 2,238.45

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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.