Home / 3,655.32-5,483.44-1,189.48

Finding the Fourth Proportional to 3,655.32, 5,483.44 and 1,189.48

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Solution

The fourth proportional to 3,655.32, 5,483.44 and 1,189.48 is: 1,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.32 : 5,483.44 = 1,189.48 : x
  2. Step 2: Convert to fraction form
    3,655.32/5,483.44 = 1,189.48/x
  3. Step 3: Cross multiply
    3,655.32x = 5,483.44 × 1,189.48
  4. Step 4: Simplify right side
    3,655.32x = 6,522,442.21
  5. Step 5: Solve for x
    x = 6,522,442.21/3,655.32
  6. Step 6: Final answer
    x = 1,784.37

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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.