Home / 5,437.02-8,158.78-1,974.54

Finding the Fourth Proportional to 5,437.02, 8,158.78 and 1,974.54

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Solution

The fourth proportional to 5,437.02, 8,158.78 and 1,974.54 is: 2,962.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.02 : 8,158.78 = 1,974.54 : x
  2. Step 2: Convert to fraction form
    5,437.02/8,158.78 = 1,974.54/x
  3. Step 3: Cross multiply
    5,437.02x = 8,158.78 × 1,974.54
  4. Step 4: Simplify right side
    5,437.02x = 16,109,837.46
  5. Step 5: Solve for x
    x = 16,109,837.46/5,437.02
  6. Step 6: Final answer
    x = 2,962.99

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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.