Home / 3,973.66-5,483.43-2,205.16

Finding the Fourth Proportional to 3,973.66, 5,483.43 and 2,205.16

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Solution

The fourth proportional to 3,973.66, 5,483.43 and 2,205.16 is: 3,043.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.66 : 5,483.43 = 2,205.16 : x
  2. Step 2: Convert to fraction form
    3,973.66/5,483.43 = 2,205.16/x
  3. Step 3: Cross multiply
    3,973.66x = 5,483.43 × 2,205.16
  4. Step 4: Simplify right side
    3,973.66x = 12,091,826.79
  5. Step 5: Solve for x
    x = 12,091,826.79/3,973.66
  6. Step 6: Final answer
    x = 3,043.00

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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.