Home / 2,692.14-4,036.62-1,026.40

Finding the Fourth Proportional to 2,692.14, 4,036.62 and 1,026.40

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Solution

The fourth proportional to 2,692.14, 4,036.62 and 1,026.40 is: 1,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.14 : 4,036.62 = 1,026.40 : x
  2. Step 2: Convert to fraction form
    2,692.14/4,036.62 = 1,026.40/x
  3. Step 3: Cross multiply
    2,692.14x = 4,036.62 × 1,026.40
  4. Step 4: Simplify right side
    2,692.14x = 4,143,186.77
  5. Step 5: Solve for x
    x = 4,143,186.77/2,692.14
  6. Step 6: Final answer
    x = 1,538.99

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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.