Home / 5,260.47-7,259.36-2,992.22

Finding the Fourth Proportional to 5,260.47, 7,259.36 and 2,992.22

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Solution

The fourth proportional to 5,260.47, 7,259.36 and 2,992.22 is: 4,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.47 : 7,259.36 = 2,992.22 : x
  2. Step 2: Convert to fraction form
    5,260.47/7,259.36 = 2,992.22/x
  3. Step 3: Cross multiply
    5,260.47x = 7,259.36 × 2,992.22
  4. Step 4: Simplify right side
    5,260.47x = 21,721,605.37
  5. Step 5: Solve for x
    x = 21,721,605.37/5,260.47
  6. Step 6: Final answer
    x = 4,129.21

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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.