Home / 3,615.63-4,989.51-2,022.32

Finding the Fourth Proportional to 3,615.63, 4,989.51 and 2,022.32

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Solution

The fourth proportional to 3,615.63, 4,989.51 and 2,022.32 is: 2,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.63 : 4,989.51 = 2,022.32 : x
  2. Step 2: Convert to fraction form
    3,615.63/4,989.51 = 2,022.32/x
  3. Step 3: Cross multiply
    3,615.63x = 4,989.51 × 2,022.32
  4. Step 4: Simplify right side
    3,615.63x = 10,090,360.92
  5. Step 5: Solve for x
    x = 10,090,360.92/3,615.63
  6. Step 6: Final answer
    x = 2,790.76

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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.