Home / 5,090.58-7,633.47-1,972.05

Finding the Fourth Proportional to 5,090.58, 7,633.47 and 1,972.05

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Solution

The fourth proportional to 5,090.58, 7,633.47 and 1,972.05 is: 2,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.58 : 7,633.47 = 1,972.05 : x
  2. Step 2: Convert to fraction form
    5,090.58/7,633.47 = 1,972.05/x
  3. Step 3: Cross multiply
    5,090.58x = 7,633.47 × 1,972.05
  4. Step 4: Simplify right side
    5,090.58x = 15,053,563.28
  5. Step 5: Solve for x
    x = 15,053,563.28/5,090.58
  6. Step 6: Final answer
    x = 2,957.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.