Home / 2,974.86-4,461.21-1,125.02

Finding the Fourth Proportional to 2,974.86, 4,461.21 and 1,125.02

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Solution

The fourth proportional to 2,974.86, 4,461.21 and 1,125.02 is: 1,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.86 : 4,461.21 = 1,125.02 : x
  2. Step 2: Convert to fraction form
    2,974.86/4,461.21 = 1,125.02/x
  3. Step 3: Cross multiply
    2,974.86x = 4,461.21 × 1,125.02
  4. Step 4: Simplify right side
    2,974.86x = 5,018,961.63
  5. Step 5: Solve for x
    x = 5,018,961.63/2,974.86
  6. Step 6: Final answer
    x = 1,687.13

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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.