Home / 2,307.54-3,178.68-1,676.22

Finding the Fourth Proportional to 2,307.54, 3,178.68 and 1,676.22

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Solution

The fourth proportional to 2,307.54, 3,178.68 and 1,676.22 is: 2,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.54 : 3,178.68 = 1,676.22 : x
  2. Step 2: Convert to fraction form
    2,307.54/3,178.68 = 1,676.22/x
  3. Step 3: Cross multiply
    2,307.54x = 3,178.68 × 1,676.22
  4. Step 4: Simplify right side
    2,307.54x = 5,328,166.99
  5. Step 5: Solve for x
    x = 5,328,166.99/2,307.54
  6. Step 6: Final answer
    x = 2,309.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.