Home / 3,973.38-5,483.43-2,180.93

Finding the Fourth Proportional to 3,973.38, 5,483.43 and 2,180.93

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Solution

The fourth proportional to 3,973.38, 5,483.43 and 2,180.93 is: 3,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.38 : 5,483.43 = 2,180.93 : x
  2. Step 2: Convert to fraction form
    3,973.38/5,483.43 = 2,180.93/x
  3. Step 3: Cross multiply
    3,973.38x = 5,483.43 × 2,180.93
  4. Step 4: Simplify right side
    3,973.38x = 11,958,938.67
  5. Step 5: Solve for x
    x = 11,958,938.67/3,973.38
  6. Step 6: Final answer
    x = 3,009.76

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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.