Home / 2,929.65-4,042.92-1,653.54

Finding the Fourth Proportional to 2,929.65, 4,042.92 and 1,653.54

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Solution

The fourth proportional to 2,929.65, 4,042.92 and 1,653.54 is: 2,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.65 : 4,042.92 = 1,653.54 : x
  2. Step 2: Convert to fraction form
    2,929.65/4,042.92 = 1,653.54/x
  3. Step 3: Cross multiply
    2,929.65x = 4,042.92 × 1,653.54
  4. Step 4: Simplify right side
    2,929.65x = 6,685,129.94
  5. Step 5: Solve for x
    x = 6,685,129.94/2,929.65
  6. Step 6: Final answer
    x = 2,281.89

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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.