Home / 3,693.63-5,538.55-1,227.57

Finding the Fourth Proportional to 3,693.63, 5,538.55 and 1,227.57

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Solution

The fourth proportional to 3,693.63, 5,538.55 and 1,227.57 is: 1,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.63 : 5,538.55 = 1,227.57 : x
  2. Step 2: Convert to fraction form
    3,693.63/5,538.55 = 1,227.57/x
  3. Step 3: Cross multiply
    3,693.63x = 5,538.55 × 1,227.57
  4. Step 4: Simplify right side
    3,693.63x = 6,798,957.82
  5. Step 5: Solve for x
    x = 6,798,957.82/3,693.63
  6. Step 6: Final answer
    x = 1,840.73

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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.