Home / 4,715.16-7,072.74-1,635

Finding the Fourth Proportional to 4,715.16, 7,072.74 and 1,635

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Solution

The fourth proportional to 4,715.16, 7,072.74 and 1,635 is: 2,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.16 : 7,072.74 = 1,635 : x
  2. Step 2: Convert to fraction form
    4,715.16/7,072.74 = 1,635/x
  3. Step 3: Cross multiply
    4,715.16x = 7,072.74 × 1,635
  4. Step 4: Simplify right side
    4,715.16x = 11,563,929.90
  5. Step 5: Solve for x
    x = 11,563,929.90/4,715.16
  6. Step 6: Final answer
    x = 2,452.50

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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.