Home / 3,275.68-4,520.64-1,878.52

Finding the Fourth Proportional to 3,275.68, 4,520.64 and 1,878.52

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Solution

The fourth proportional to 3,275.68, 4,520.64 and 1,878.52 is: 2,592.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.68 : 4,520.64 = 1,878.52 : x
  2. Step 2: Convert to fraction form
    3,275.68/4,520.64 = 1,878.52/x
  3. Step 3: Cross multiply
    3,275.68x = 4,520.64 × 1,878.52
  4. Step 4: Simplify right side
    3,275.68x = 8,492,112.65
  5. Step 5: Solve for x
    x = 8,492,112.65/3,275.68
  6. Step 6: Final answer
    x = 2,592.47

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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.