Home / 2,916.30-4,375.08-1,355.16

Finding the Fourth Proportional to 2,916.30, 4,375.08 and 1,355.16

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Solution

The fourth proportional to 2,916.30, 4,375.08 and 1,355.16 is: 2,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.30 : 4,375.08 = 1,355.16 : x
  2. Step 2: Convert to fraction form
    2,916.30/4,375.08 = 1,355.16/x
  3. Step 3: Cross multiply
    2,916.30x = 4,375.08 × 1,355.16
  4. Step 4: Simplify right side
    2,916.30x = 5,928,933.41
  5. Step 5: Solve for x
    x = 5,928,933.41/2,916.30
  6. Step 6: Final answer
    x = 2,033.03

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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.