Home / 5,990.56-8,270.40-4,004.48

Finding the Fourth Proportional to 5,990.56, 8,270.40 and 4,004.48

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Solution

The fourth proportional to 5,990.56, 8,270.40 and 4,004.48 is: 5,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.56 : 8,270.40 = 4,004.48 : x
  2. Step 2: Convert to fraction form
    5,990.56/8,270.40 = 4,004.48/x
  3. Step 3: Cross multiply
    5,990.56x = 8,270.40 × 4,004.48
  4. Step 4: Simplify right side
    5,990.56x = 33,118,651.39
  5. Step 5: Solve for x
    x = 33,118,651.39/5,990.56
  6. Step 6: Final answer
    x = 5,528.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.