Home / 1,692.22-2,536.16-1,471.92

Finding the Fourth Proportional to 1,692.22, 2,536.16 and 1,471.92

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Solution

The fourth proportional to 1,692.22, 2,536.16 and 1,471.92 is: 2,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.22 : 2,536.16 = 1,471.92 : x
  2. Step 2: Convert to fraction form
    1,692.22/2,536.16 = 1,471.92/x
  3. Step 3: Cross multiply
    1,692.22x = 2,536.16 × 1,471.92
  4. Step 4: Simplify right side
    1,692.22x = 3,733,030.30
  5. Step 5: Solve for x
    x = 3,733,030.30/1,692.22
  6. Step 6: Final answer
    x = 2,206.00

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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.