Home / 3,275.84-4,519.05-1,948.59

Finding the Fourth Proportional to 3,275.84, 4,519.05 and 1,948.59

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Solution

The fourth proportional to 3,275.84, 4,519.05 and 1,948.59 is: 2,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.84 : 4,519.05 = 1,948.59 : x
  2. Step 2: Convert to fraction form
    3,275.84/4,519.05 = 1,948.59/x
  3. Step 3: Cross multiply
    3,275.84x = 4,519.05 × 1,948.59
  4. Step 4: Simplify right side
    3,275.84x = 8,805,775.64
  5. Step 5: Solve for x
    x = 8,805,775.64/3,275.84
  6. Step 6: Final answer
    x = 2,688.10

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1.5x scale

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.