Home / 2,692.46-3,715.56-1,513.53

Finding the Fourth Proportional to 2,692.46, 3,715.56 and 1,513.53

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Solution

The fourth proportional to 2,692.46, 3,715.56 and 1,513.53 is: 2,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.46 : 3,715.56 = 1,513.53 : x
  2. Step 2: Convert to fraction form
    2,692.46/3,715.56 = 1,513.53/x
  3. Step 3: Cross multiply
    2,692.46x = 3,715.56 × 1,513.53
  4. Step 4: Simplify right side
    2,692.46x = 5,623,618.65
  5. Step 5: Solve for x
    x = 5,623,618.65/2,692.46
  6. Step 6: Final answer
    x = 2,088.65

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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.