Home / 4,511.74-6,221.13-2,916.28

Finding the Fourth Proportional to 4,511.74, 6,221.13 and 2,916.28

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Solution

The fourth proportional to 4,511.74, 6,221.13 and 2,916.28 is: 4,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.74 : 6,221.13 = 2,916.28 : x
  2. Step 2: Convert to fraction form
    4,511.74/6,221.13 = 2,916.28/x
  3. Step 3: Cross multiply
    4,511.74x = 6,221.13 × 2,916.28
  4. Step 4: Simplify right side
    4,511.74x = 18,142,557.00
  5. Step 5: Solve for x
    x = 18,142,557.00/4,511.74
  6. Step 6: Final answer
    x = 4,021.19

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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.