Home / 5,268.42-7,904.79-2,802.51

Finding the Fourth Proportional to 5,268.42, 7,904.79 and 2,802.51

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Solution

The fourth proportional to 5,268.42, 7,904.79 and 2,802.51 is: 4,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.42 : 7,904.79 = 2,802.51 : x
  2. Step 2: Convert to fraction form
    5,268.42/7,904.79 = 2,802.51/x
  3. Step 3: Cross multiply
    5,268.42x = 7,904.79 × 2,802.51
  4. Step 4: Simplify right side
    5,268.42x = 22,153,253.02
  5. Step 5: Solve for x
    x = 22,153,253.02/5,268.42
  6. Step 6: Final answer
    x = 4,204.91

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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.