Home / 7,731.37-11,587.56-3,565.60

Finding the Fourth Proportional to 7,731.37, 11,587.56 and 3,565.60

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Solution

The fourth proportional to 7,731.37, 11,587.56 and 3,565.60 is: 5,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.37 : 11,587.56 = 3,565.60 : x
  2. Step 2: Convert to fraction form
    7,731.37/11,587.56 = 3,565.60/x
  3. Step 3: Cross multiply
    7,731.37x = 11,587.56 × 3,565.60
  4. Step 4: Simplify right side
    7,731.37x = 41,316,561.60
  5. Step 5: Solve for x
    x = 41,316,561.60/7,731.37
  6. Step 6: Final answer
    x = 5,344.01

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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.