Home / 5,154.07-7,112.58-2,796.16

Finding the Fourth Proportional to 5,154.07, 7,112.58 and 2,796.16

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Solution

The fourth proportional to 5,154.07, 7,112.58 and 2,796.16 is: 3,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.07 : 7,112.58 = 2,796.16 : x
  2. Step 2: Convert to fraction form
    5,154.07/7,112.58 = 2,796.16/x
  3. Step 3: Cross multiply
    5,154.07x = 7,112.58 × 2,796.16
  4. Step 4: Simplify right side
    5,154.07x = 19,887,911.69
  5. Step 5: Solve for x
    x = 19,887,911.69/5,154.07
  6. Step 6: Final answer
    x = 3,858.68

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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.