Home / 2,954.02-4,431.76-873.98

Finding the Fourth Proportional to 2,954.02, 4,431.76 and 873.98

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Solution

The fourth proportional to 2,954.02, 4,431.76 and 873.98 is: 1,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.02 : 4,431.76 = 873.98 : x
  2. Step 2: Convert to fraction form
    2,954.02/4,431.76 = 873.98/x
  3. Step 3: Cross multiply
    2,954.02x = 4,431.76 × 873.98
  4. Step 4: Simplify right side
    2,954.02x = 3,873,269.60
  5. Step 5: Solve for x
    x = 3,873,269.60/2,954.02
  6. Step 6: Final answer
    x = 1,311.19

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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.