Home / 2,241.12-3,089.32-1,576.16

Finding the Fourth Proportional to 2,241.12, 3,089.32 and 1,576.16

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Solution

The fourth proportional to 2,241.12, 3,089.32 and 1,576.16 is: 2,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.12 : 3,089.32 = 1,576.16 : x
  2. Step 2: Convert to fraction form
    2,241.12/3,089.32 = 1,576.16/x
  3. Step 3: Cross multiply
    2,241.12x = 3,089.32 × 1,576.16
  4. Step 4: Simplify right side
    2,241.12x = 4,869,262.61
  5. Step 5: Solve for x
    x = 4,869,262.61/2,241.12
  6. Step 6: Final answer
    x = 2,172.69

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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.