Home / 2,916.26-4,374.37-725.01

Finding the Fourth Proportional to 2,916.26, 4,374.37 and 725.01

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Solution

The fourth proportional to 2,916.26, 4,374.37 and 725.01 is: 1,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.26 : 4,374.37 = 725.01 : x
  2. Step 2: Convert to fraction form
    2,916.26/4,374.37 = 725.01/x
  3. Step 3: Cross multiply
    2,916.26x = 4,374.37 × 725.01
  4. Step 4: Simplify right side
    2,916.26x = 3,171,461.99
  5. Step 5: Solve for x
    x = 3,171,461.99/2,916.26
  6. Step 6: Final answer
    x = 1,087.51

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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.