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Finding the Fourth Proportional to 4,130.88, 6,194.88 and 1,665.06

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Solution

The fourth proportional to 4,130.88, 6,194.88 and 1,665.06 is: 2,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.88 : 6,194.88 = 1,665.06 : x
  2. Step 2: Convert to fraction form
    4,130.88/6,194.88 = 1,665.06/x
  3. Step 3: Cross multiply
    4,130.88x = 6,194.88 × 1,665.06
  4. Step 4: Simplify right side
    4,130.88x = 10,314,846.89
  5. Step 5: Solve for x
    x = 10,314,846.89/4,130.88
  6. Step 6: Final answer
    x = 2,497.01

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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.