Home / 5,457.13-7,530.31-3,098.81

Finding the Fourth Proportional to 5,457.13, 7,530.31 and 3,098.81

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Solution

The fourth proportional to 5,457.13, 7,530.31 and 3,098.81 is: 4,276.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.13 : 7,530.31 = 3,098.81 : x
  2. Step 2: Convert to fraction form
    5,457.13/7,530.31 = 3,098.81/x
  3. Step 3: Cross multiply
    5,457.13x = 7,530.31 × 3,098.81
  4. Step 4: Simplify right side
    5,457.13x = 23,335,022.63
  5. Step 5: Solve for x
    x = 23,335,022.63/5,457.13
  6. Step 6: Final answer
    x = 4,276.06

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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.