Home / 2,307.74-3,183.84-1,423.22

Finding the Fourth Proportional to 2,307.74, 3,183.84 and 1,423.22

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Solution

The fourth proportional to 2,307.74, 3,183.84 and 1,423.22 is: 1,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.74 : 3,183.84 = 1,423.22 : x
  2. Step 2: Convert to fraction form
    2,307.74/3,183.84 = 1,423.22/x
  3. Step 3: Cross multiply
    2,307.74x = 3,183.84 × 1,423.22
  4. Step 4: Simplify right side
    2,307.74x = 4,531,288.85
  5. Step 5: Solve for x
    x = 4,531,288.85/2,307.74
  6. Step 6: Final answer
    x = 1,963.52

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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.