Home / 3,528.66-5,291.49-1,884.90

Finding the Fourth Proportional to 3,528.66, 5,291.49 and 1,884.90

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Solution

The fourth proportional to 3,528.66, 5,291.49 and 1,884.90 is: 2,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.66 : 5,291.49 = 1,884.90 : x
  2. Step 2: Convert to fraction form
    3,528.66/5,291.49 = 1,884.90/x
  3. Step 3: Cross multiply
    3,528.66x = 5,291.49 × 1,884.90
  4. Step 4: Simplify right side
    3,528.66x = 9,973,929.50
  5. Step 5: Solve for x
    x = 9,973,929.50/3,528.66
  6. Step 6: Final answer
    x = 2,826.55

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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.