Home / 2,922.72-4,373.10-1,748.40

Finding the Fourth Proportional to 2,922.72, 4,373.10 and 1,748.40

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Solution

The fourth proportional to 2,922.72, 4,373.10 and 1,748.40 is: 2,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.72 : 4,373.10 = 1,748.40 : x
  2. Step 2: Convert to fraction form
    2,922.72/4,373.10 = 1,748.40/x
  3. Step 3: Cross multiply
    2,922.72x = 4,373.10 × 1,748.40
  4. Step 4: Simplify right side
    2,922.72x = 7,645,928.04
  5. Step 5: Solve for x
    x = 7,645,928.04/2,922.72
  6. Step 6: Final answer
    x = 2,616.03

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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.