Home / 7,930.10-10,943.37-4,572.90

Finding the Fourth Proportional to 7,930.10, 10,943.37 and 4,572.90

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Solution

The fourth proportional to 7,930.10, 10,943.37 and 4,572.90 is: 6,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.10 : 10,943.37 = 4,572.90 : x
  2. Step 2: Convert to fraction form
    7,930.10/10,943.37 = 4,572.90/x
  3. Step 3: Cross multiply
    7,930.10x = 10,943.37 × 4,572.90
  4. Step 4: Simplify right side
    7,930.10x = 50,042,936.67
  5. Step 5: Solve for x
    x = 50,042,936.67/7,930.10
  6. Step 6: Final answer
    x = 6,310.51

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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.