Home / 2,916.74-4,376.56-2,137.52

Finding the Fourth Proportional to 2,916.74, 4,376.56 and 2,137.52

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Solution

The fourth proportional to 2,916.74, 4,376.56 and 2,137.52 is: 3,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.74 : 4,376.56 = 2,137.52 : x
  2. Step 2: Convert to fraction form
    2,916.74/4,376.56 = 2,137.52/x
  3. Step 3: Cross multiply
    2,916.74x = 4,376.56 × 2,137.52
  4. Step 4: Simplify right side
    2,916.74x = 9,354,984.53
  5. Step 5: Solve for x
    x = 9,354,984.53/2,916.74
  6. Step 6: Final answer
    x = 3,207.34

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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.