Home / 4,851.63-7,278.48-2,772.63

Finding the Fourth Proportional to 4,851.63, 7,278.48 and 2,772.63

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Solution

The fourth proportional to 4,851.63, 7,278.48 and 2,772.63 is: 4,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.63 : 7,278.48 = 2,772.63 : x
  2. Step 2: Convert to fraction form
    4,851.63/7,278.48 = 2,772.63/x
  3. Step 3: Cross multiply
    4,851.63x = 7,278.48 × 2,772.63
  4. Step 4: Simplify right side
    4,851.63x = 20,180,532.00
  5. Step 5: Solve for x
    x = 20,180,532.00/4,851.63
  6. Step 6: Final answer
    x = 4,159.54

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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.