Home / 2,274.30-3,411.51-887.58

Finding the Fourth Proportional to 2,274.30, 3,411.51 and 887.58

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Solution

The fourth proportional to 2,274.30, 3,411.51 and 887.58 is: 1,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.30 : 3,411.51 = 887.58 : x
  2. Step 2: Convert to fraction form
    2,274.30/3,411.51 = 887.58/x
  3. Step 3: Cross multiply
    2,274.30x = 3,411.51 × 887.58
  4. Step 4: Simplify right side
    2,274.30x = 3,027,988.05
  5. Step 5: Solve for x
    x = 3,027,988.05/2,274.30
  6. Step 6: Final answer
    x = 1,331.39

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1.5x scale

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.