Home / 2,721.18-4,074.72-2,333.70

Finding the Fourth Proportional to 2,721.18, 4,074.72 and 2,333.70

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Solution

The fourth proportional to 2,721.18, 4,074.72 and 2,333.70 is: 3,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.18 : 4,074.72 = 2,333.70 : x
  2. Step 2: Convert to fraction form
    2,721.18/4,074.72 = 2,333.70/x
  3. Step 3: Cross multiply
    2,721.18x = 4,074.72 × 2,333.70
  4. Step 4: Simplify right side
    2,721.18x = 9,509,174.06
  5. Step 5: Solve for x
    x = 9,509,174.06/2,721.18
  6. Step 6: Final answer
    x = 3,494.50

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1.5x scale

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.