Home / 3,282.51-4,531.71-2,275.68

Finding the Fourth Proportional to 3,282.51, 4,531.71 and 2,275.68

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Solution

The fourth proportional to 3,282.51, 4,531.71 and 2,275.68 is: 3,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.51 : 4,531.71 = 2,275.68 : x
  2. Step 2: Convert to fraction form
    3,282.51/4,531.71 = 2,275.68/x
  3. Step 3: Cross multiply
    3,282.51x = 4,531.71 × 2,275.68
  4. Step 4: Simplify right side
    3,282.51x = 10,312,721.81
  5. Step 5: Solve for x
    x = 10,312,721.81/3,282.51
  6. Step 6: Final answer
    x = 3,141.72

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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.