Home / 3,615.51-4,988.94-2,043.48

Finding the Fourth Proportional to 3,615.51, 4,988.94 and 2,043.48

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Solution

The fourth proportional to 3,615.51, 4,988.94 and 2,043.48 is: 2,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.51 : 4,988.94 = 2,043.48 : x
  2. Step 2: Convert to fraction form
    3,615.51/4,988.94 = 2,043.48/x
  3. Step 3: Cross multiply
    3,615.51x = 4,988.94 × 2,043.48
  4. Step 4: Simplify right side
    3,615.51x = 10,194,799.11
  5. Step 5: Solve for x
    x = 10,194,799.11/3,615.51
  6. Step 6: Final answer
    x = 2,819.74

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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.