Home / 5,325.54-7,991.95-1,862.79

Finding the Fourth Proportional to 5,325.54, 7,991.95 and 1,862.79

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Solution

The fourth proportional to 5,325.54, 7,991.95 and 1,862.79 is: 2,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.54 : 7,991.95 = 1,862.79 : x
  2. Step 2: Convert to fraction form
    5,325.54/7,991.95 = 1,862.79/x
  3. Step 3: Cross multiply
    5,325.54x = 7,991.95 × 1,862.79
  4. Step 4: Simplify right side
    5,325.54x = 14,887,324.54
  5. Step 5: Solve for x
    x = 14,887,324.54/5,325.54
  6. Step 6: Final answer
    x = 2,795.46

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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.