Home / 5,240.25-7,235.19-3,670.47

Finding the Fourth Proportional to 5,240.25, 7,235.19 and 3,670.47

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Solution

The fourth proportional to 5,240.25, 7,235.19 and 3,670.47 is: 5,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.25 : 7,235.19 = 3,670.47 : x
  2. Step 2: Convert to fraction form
    5,240.25/7,235.19 = 3,670.47/x
  3. Step 3: Cross multiply
    5,240.25x = 7,235.19 × 3,670.47
  4. Step 4: Simplify right side
    5,240.25x = 26,556,547.84
  5. Step 5: Solve for x
    x = 26,556,547.84/5,240.25
  6. Step 6: Final answer
    x = 5,067.80

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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.