Home / 4,721.54-6,515.76-2,954.15

Finding the Fourth Proportional to 4,721.54, 6,515.76 and 2,954.15

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Solution

The fourth proportional to 4,721.54, 6,515.76 and 2,954.15 is: 4,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.54 : 6,515.76 = 2,954.15 : x
  2. Step 2: Convert to fraction form
    4,721.54/6,515.76 = 2,954.15/x
  3. Step 3: Cross multiply
    4,721.54x = 6,515.76 × 2,954.15
  4. Step 4: Simplify right side
    4,721.54x = 19,248,532.40
  5. Step 5: Solve for x
    x = 19,248,532.40/4,721.54
  6. Step 6: Final answer
    x = 4,076.75

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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.