Home / 4,692.21-7,039.26-1,572.09

Finding the Fourth Proportional to 4,692.21, 7,039.26 and 1,572.09

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Solution

The fourth proportional to 4,692.21, 7,039.26 and 1,572.09 is: 2,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.21 : 7,039.26 = 1,572.09 : x
  2. Step 2: Convert to fraction form
    4,692.21/7,039.26 = 1,572.09/x
  3. Step 3: Cross multiply
    4,692.21x = 7,039.26 × 1,572.09
  4. Step 4: Simplify right side
    4,692.21x = 11,066,350.25
  5. Step 5: Solve for x
    x = 11,066,350.25/4,692.21
  6. Step 6: Final answer
    x = 2,358.45

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1.5x scale

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.