Home / 5,104.25-7,043.81-2,866.07

Finding the Fourth Proportional to 5,104.25, 7,043.81 and 2,866.07

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Solution

The fourth proportional to 5,104.25, 7,043.81 and 2,866.07 is: 3,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.25 : 7,043.81 = 2,866.07 : x
  2. Step 2: Convert to fraction form
    5,104.25/7,043.81 = 2,866.07/x
  3. Step 3: Cross multiply
    5,104.25x = 7,043.81 × 2,866.07
  4. Step 4: Simplify right side
    5,104.25x = 20,188,055.81
  5. Step 5: Solve for x
    x = 20,188,055.81/5,104.25
  6. Step 6: Final answer
    x = 3,955.15

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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.