Home / 3,115.02-4,304.43-2,963.16

Finding the Fourth Proportional to 3,115.02, 4,304.43 and 2,963.16

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Solution

The fourth proportional to 3,115.02, 4,304.43 and 2,963.16 is: 4,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.02 : 4,304.43 = 2,963.16 : x
  2. Step 2: Convert to fraction form
    3,115.02/4,304.43 = 2,963.16/x
  3. Step 3: Cross multiply
    3,115.02x = 4,304.43 × 2,963.16
  4. Step 4: Simplify right side
    3,115.02x = 12,754,714.80
  5. Step 5: Solve for x
    x = 12,754,714.80/3,115.02
  6. Step 6: Final answer
    x = 4,094.59

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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.