Home / 7,160.96-10,731.36-5,693.60

Finding the Fourth Proportional to 7,160.96, 10,731.36 and 5,693.60

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Solution

The fourth proportional to 7,160.96, 10,731.36 and 5,693.60 is: 8,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.96 : 10,731.36 = 5,693.60 : x
  2. Step 2: Convert to fraction form
    7,160.96/10,731.36 = 5,693.60/x
  3. Step 3: Cross multiply
    7,160.96x = 10,731.36 × 5,693.60
  4. Step 4: Simplify right side
    7,160.96x = 61,100,071.30
  5. Step 5: Solve for x
    x = 61,100,071.30/7,160.96
  6. Step 6: Final answer
    x = 8,532.39

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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.