Home / 5,072.28-7,602.96-3,316.62

Finding the Fourth Proportional to 5,072.28, 7,602.96 and 3,316.62

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Solution

The fourth proportional to 5,072.28, 7,602.96 and 3,316.62 is: 4,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.28 : 7,602.96 = 3,316.62 : x
  2. Step 2: Convert to fraction form
    5,072.28/7,602.96 = 3,316.62/x
  3. Step 3: Cross multiply
    5,072.28x = 7,602.96 × 3,316.62
  4. Step 4: Simplify right side
    5,072.28x = 25,216,129.20
  5. Step 5: Solve for x
    x = 25,216,129.20/5,072.28
  6. Step 6: Final answer
    x = 4,971.36

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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.