Home / 7,280.43-10,046.80-4,296.39

Finding the Fourth Proportional to 7,280.43, 10,046.80 and 4,296.39

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Solution

The fourth proportional to 7,280.43, 10,046.80 and 4,296.39 is: 5,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.43 : 10,046.80 = 4,296.39 : x
  2. Step 2: Convert to fraction form
    7,280.43/10,046.80 = 4,296.39/x
  3. Step 3: Cross multiply
    7,280.43x = 10,046.80 × 4,296.39
  4. Step 4: Simplify right side
    7,280.43x = 43,164,971.05
  5. Step 5: Solve for x
    x = 43,164,971.05/7,280.43
  6. Step 6: Final answer
    x = 5,928.90

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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.