Home / 2,972.07-4,457.94-1,511.19

Finding the Fourth Proportional to 2,972.07, 4,457.94 and 1,511.19

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Solution

The fourth proportional to 2,972.07, 4,457.94 and 1,511.19 is: 2,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.07 : 4,457.94 = 1,511.19 : x
  2. Step 2: Convert to fraction form
    2,972.07/4,457.94 = 1,511.19/x
  3. Step 3: Cross multiply
    2,972.07x = 4,457.94 × 1,511.19
  4. Step 4: Simplify right side
    2,972.07x = 6,736,794.35
  5. Step 5: Solve for x
    x = 6,736,794.35/2,972.07
  6. Step 6: Final answer
    x = 2,266.70

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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.