Home / 2,967.42-4,450.95-1,118.40

Finding the Fourth Proportional to 2,967.42, 4,450.95 and 1,118.40

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Solution

The fourth proportional to 2,967.42, 4,450.95 and 1,118.40 is: 1,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.42 : 4,450.95 = 1,118.40 : x
  2. Step 2: Convert to fraction form
    2,967.42/4,450.95 = 1,118.40/x
  3. Step 3: Cross multiply
    2,967.42x = 4,450.95 × 1,118.40
  4. Step 4: Simplify right side
    2,967.42x = 4,977,942.48
  5. Step 5: Solve for x
    x = 4,977,942.48/2,967.42
  6. Step 6: Final answer
    x = 1,677.53

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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.