Home / 7,851.16-11,775.48-2,007.46

Finding the Fourth Proportional to 7,851.16, 11,775.48 and 2,007.46

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Solution

The fourth proportional to 7,851.16, 11,775.48 and 2,007.46 is: 3,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.16 : 11,775.48 = 2,007.46 : x
  2. Step 2: Convert to fraction form
    7,851.16/11,775.48 = 2,007.46/x
  3. Step 3: Cross multiply
    7,851.16x = 11,775.48 × 2,007.46
  4. Step 4: Simplify right side
    7,851.16x = 23,638,805.08
  5. Step 5: Solve for x
    x = 23,638,805.08/7,851.16
  6. Step 6: Final answer
    x = 3,010.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.