Home / 5,112.06-7,054.47-2,904.06

Finding the Fourth Proportional to 5,112.06, 7,054.47 and 2,904.06

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Solution

The fourth proportional to 5,112.06, 7,054.47 and 2,904.06 is: 4,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.06 : 7,054.47 = 2,904.06 : x
  2. Step 2: Convert to fraction form
    5,112.06/7,054.47 = 2,904.06/x
  3. Step 3: Cross multiply
    5,112.06x = 7,054.47 × 2,904.06
  4. Step 4: Simplify right side
    5,112.06x = 20,486,604.15
  5. Step 5: Solve for x
    x = 20,486,604.15/5,112.06
  6. Step 6: Final answer
    x = 4,007.50

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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.