Home / 2,916.25-4,363.93-2,720.74

Finding the Fourth Proportional to 2,916.25, 4,363.93 and 2,720.74

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Solution

The fourth proportional to 2,916.25, 4,363.93 and 2,720.74 is: 4,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.25 : 4,363.93 = 2,720.74 : x
  2. Step 2: Convert to fraction form
    2,916.25/4,363.93 = 2,720.74/x
  3. Step 3: Cross multiply
    2,916.25x = 4,363.93 × 2,720.74
  4. Step 4: Simplify right side
    2,916.25x = 11,873,104.28
  5. Step 5: Solve for x
    x = 11,873,104.28/2,916.25
  6. Step 6: Final answer
    x = 4,071.36

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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.