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Finding the Fourth Proportional to 5,133.55, 7,080.67 and 4,962.09

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Solution

The fourth proportional to 5,133.55, 7,080.67 and 4,962.09 is: 6,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.55 : 7,080.67 = 4,962.09 : x
  2. Step 2: Convert to fraction form
    5,133.55/7,080.67 = 4,962.09/x
  3. Step 3: Cross multiply
    5,133.55x = 7,080.67 × 4,962.09
  4. Step 4: Simplify right side
    5,133.55x = 35,134,866.90
  5. Step 5: Solve for x
    x = 35,134,866.90/5,133.55
  6. Step 6: Final answer
    x = 6,844.16

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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.