Home / 3,528.95-5,293.82-1,188.15

Finding the Fourth Proportional to 3,528.95, 5,293.82 and 1,188.15

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Solution

The fourth proportional to 3,528.95, 5,293.82 and 1,188.15 is: 1,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.95 : 5,293.82 = 1,188.15 : x
  2. Step 2: Convert to fraction form
    3,528.95/5,293.82 = 1,188.15/x
  3. Step 3: Cross multiply
    3,528.95x = 5,293.82 × 1,188.15
  4. Step 4: Simplify right side
    3,528.95x = 6,289,845.30
  5. Step 5: Solve for x
    x = 6,289,845.30/3,528.95
  6. Step 6: Final answer
    x = 1,782.36

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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.