Home / 2,423.12-3,339.24-1,759.28

Finding the Fourth Proportional to 2,423.12, 3,339.24 and 1,759.28

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Solution

The fourth proportional to 2,423.12, 3,339.24 and 1,759.28 is: 2,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.12 : 3,339.24 = 1,759.28 : x
  2. Step 2: Convert to fraction form
    2,423.12/3,339.24 = 1,759.28/x
  3. Step 3: Cross multiply
    2,423.12x = 3,339.24 × 1,759.28
  4. Step 4: Simplify right side
    2,423.12x = 5,874,658.15
  5. Step 5: Solve for x
    x = 5,874,658.15/2,423.12
  6. Step 6: Final answer
    x = 2,424.42

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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.