Home / 4,692.96-7,039.17-1,406.07

Finding the Fourth Proportional to 4,692.96, 7,039.17 and 1,406.07

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Solution

The fourth proportional to 4,692.96, 7,039.17 and 1,406.07 is: 2,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.96 : 7,039.17 = 1,406.07 : x
  2. Step 2: Convert to fraction form
    4,692.96/7,039.17 = 1,406.07/x
  3. Step 3: Cross multiply
    4,692.96x = 7,039.17 × 1,406.07
  4. Step 4: Simplify right side
    4,692.96x = 9,897,565.76
  5. Step 5: Solve for x
    x = 9,897,565.76/4,692.96
  6. Step 6: Final answer
    x = 2,109.02

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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.