Home / 3,612.07-4,984.68-2,040.13

Finding the Fourth Proportional to 3,612.07, 4,984.68 and 2,040.13

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Solution

The fourth proportional to 3,612.07, 4,984.68 and 2,040.13 is: 2,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.07 : 4,984.68 = 2,040.13 : x
  2. Step 2: Convert to fraction form
    3,612.07/4,984.68 = 2,040.13/x
  3. Step 3: Cross multiply
    3,612.07x = 4,984.68 × 2,040.13
  4. Step 4: Simplify right side
    3,612.07x = 10,169,395.21
  5. Step 5: Solve for x
    x = 10,169,395.21/3,612.07
  6. Step 6: Final answer
    x = 2,815.39

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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.