Home / 3,036.50-4,188.75-2,040.07

Finding the Fourth Proportional to 3,036.50, 4,188.75 and 2,040.07

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Solution

The fourth proportional to 3,036.50, 4,188.75 and 2,040.07 is: 2,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.50 : 4,188.75 = 2,040.07 : x
  2. Step 2: Convert to fraction form
    3,036.50/4,188.75 = 2,040.07/x
  3. Step 3: Cross multiply
    3,036.50x = 4,188.75 × 2,040.07
  4. Step 4: Simplify right side
    3,036.50x = 8,545,343.21
  5. Step 5: Solve for x
    x = 8,545,343.21/3,036.50
  6. Step 6: Final answer
    x = 2,814.21

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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.