Home / 3,769.75-5,653.31-1,547.95

Finding the Fourth Proportional to 3,769.75, 5,653.31 and 1,547.95

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Solution

The fourth proportional to 3,769.75, 5,653.31 and 1,547.95 is: 2,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.75 : 5,653.31 = 1,547.95 : x
  2. Step 2: Convert to fraction form
    3,769.75/5,653.31 = 1,547.95/x
  3. Step 3: Cross multiply
    3,769.75x = 5,653.31 × 1,547.95
  4. Step 4: Simplify right side
    3,769.75x = 8,751,030.95
  5. Step 5: Solve for x
    x = 8,751,030.95/3,769.75
  6. Step 6: Final answer
    x = 2,321.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.