Home / 2,692.24-3,715.31-1,513.30

Finding the Fourth Proportional to 2,692.24, 3,715.31 and 1,513.30

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Solution

The fourth proportional to 2,692.24, 3,715.31 and 1,513.30 is: 2,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.24 : 3,715.31 = 1,513.30 : x
  2. Step 2: Convert to fraction form
    2,692.24/3,715.31 = 1,513.30/x
  3. Step 3: Cross multiply
    2,692.24x = 3,715.31 × 1,513.30
  4. Step 4: Simplify right side
    2,692.24x = 5,622,371.06
  5. Step 5: Solve for x
    x = 5,622,371.06/2,692.24
  6. Step 6: Final answer
    x = 2,088.36

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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.