Home / 5,315.02-7,974.35-2,028.59

Finding the Fourth Proportional to 5,315.02, 7,974.35 and 2,028.59

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Solution

The fourth proportional to 5,315.02, 7,974.35 and 2,028.59 is: 3,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.02 : 7,974.35 = 2,028.59 : x
  2. Step 2: Convert to fraction form
    5,315.02/7,974.35 = 2,028.59/x
  3. Step 3: Cross multiply
    5,315.02x = 7,974.35 × 2,028.59
  4. Step 4: Simplify right side
    5,315.02x = 16,176,719.02
  5. Step 5: Solve for x
    x = 16,176,719.02/5,315.02
  6. Step 6: Final answer
    x = 3,043.59

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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.