Home / 2,112.58-2,916.60-1,450.41

Finding the Fourth Proportional to 2,112.58, 2,916.60 and 1,450.41

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Solution

The fourth proportional to 2,112.58, 2,916.60 and 1,450.41 is: 2,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.58 : 2,916.60 = 1,450.41 : x
  2. Step 2: Convert to fraction form
    2,112.58/2,916.60 = 1,450.41/x
  3. Step 3: Cross multiply
    2,112.58x = 2,916.60 × 1,450.41
  4. Step 4: Simplify right side
    2,112.58x = 4,230,265.81
  5. Step 5: Solve for x
    x = 4,230,265.81/2,112.58
  6. Step 6: Final answer
    x = 2,002.42

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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.