Home / 7,270.97-10,030.43-5,176.31

Finding the Fourth Proportional to 7,270.97, 10,030.43 and 5,176.31

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Solution

The fourth proportional to 7,270.97, 10,030.43 and 5,176.31 is: 7,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.97 : 10,030.43 = 5,176.31 : x
  2. Step 2: Convert to fraction form
    7,270.97/10,030.43 = 5,176.31/x
  3. Step 3: Cross multiply
    7,270.97x = 10,030.43 × 5,176.31
  4. Step 4: Simplify right side
    7,270.97x = 51,920,577.90
  5. Step 5: Solve for x
    x = 51,920,577.90/7,270.97
  6. Step 6: Final answer
    x = 7,140.81

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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.