Home / 7,424.10-10,245.42-4,280.22

Finding the Fourth Proportional to 7,424.10, 10,245.42 and 4,280.22

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Solution

The fourth proportional to 7,424.10, 10,245.42 and 4,280.22 is: 5,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.10 : 10,245.42 = 4,280.22 : x
  2. Step 2: Convert to fraction form
    7,424.10/10,245.42 = 4,280.22/x
  3. Step 3: Cross multiply
    7,424.10x = 10,245.42 × 4,280.22
  4. Step 4: Simplify right side
    7,424.10x = 43,852,651.59
  5. Step 5: Solve for x
    x = 43,852,651.59/7,424.10
  6. Step 6: Final answer
    x = 5,906.80

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Double scale
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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.