Home / 5,309.20-7,316.40-5,224.24

Finding the Fourth Proportional to 5,309.20, 7,316.40 and 5,224.24

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Solution

The fourth proportional to 5,309.20, 7,316.40 and 5,224.24 is: 7,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.20 : 7,316.40 = 5,224.24 : x
  2. Step 2: Convert to fraction form
    5,309.20/7,316.40 = 5,224.24/x
  3. Step 3: Cross multiply
    5,309.20x = 7,316.40 × 5,224.24
  4. Step 4: Simplify right side
    5,309.20x = 38,222,629.54
  5. Step 5: Solve for x
    x = 38,222,629.54/5,309.20
  6. Step 6: Final answer
    x = 7,199.32

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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.