Home / 4,918.04-7,378.13-1,997.72

Finding the Fourth Proportional to 4,918.04, 7,378.13 and 1,997.72

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Solution

The fourth proportional to 4,918.04, 7,378.13 and 1,997.72 is: 2,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.04 : 7,378.13 = 1,997.72 : x
  2. Step 2: Convert to fraction form
    4,918.04/7,378.13 = 1,997.72/x
  3. Step 3: Cross multiply
    4,918.04x = 7,378.13 × 1,997.72
  4. Step 4: Simplify right side
    4,918.04x = 14,739,405.97
  5. Step 5: Solve for x
    x = 14,739,405.97/4,918.04
  6. Step 6: Final answer
    x = 2,997.01

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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.