Home / 4,721.60-6,515.72-2,732.24

Finding the Fourth Proportional to 4,721.60, 6,515.72 and 2,732.24

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Solution

The fourth proportional to 4,721.60, 6,515.72 and 2,732.24 is: 3,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.60 : 6,515.72 = 2,732.24 : x
  2. Step 2: Convert to fraction form
    4,721.60/6,515.72 = 2,732.24/x
  3. Step 3: Cross multiply
    4,721.60x = 6,515.72 × 2,732.24
  4. Step 4: Simplify right side
    4,721.60x = 17,802,510.81
  5. Step 5: Solve for x
    x = 17,802,510.81/4,721.60
  6. Step 6: Final answer
    x = 3,770.44

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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.