Home / 4,727.10-7,090.65-2,135.10

Finding the Fourth Proportional to 4,727.10, 7,090.65 and 2,135.10

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Solution

The fourth proportional to 4,727.10, 7,090.65 and 2,135.10 is: 3,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.10 : 7,090.65 = 2,135.10 : x
  2. Step 2: Convert to fraction form
    4,727.10/7,090.65 = 2,135.10/x
  3. Step 3: Cross multiply
    4,727.10x = 7,090.65 × 2,135.10
  4. Step 4: Simplify right side
    4,727.10x = 15,139,246.82
  5. Step 5: Solve for x
    x = 15,139,246.82/4,727.10
  6. Step 6: Final answer
    x = 3,202.65

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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.