Home / 5,692.40-7,855.55-3,174.68

Finding the Fourth Proportional to 5,692.40, 7,855.55 and 3,174.68

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Solution

The fourth proportional to 5,692.40, 7,855.55 and 3,174.68 is: 4,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.40 : 7,855.55 = 3,174.68 : x
  2. Step 2: Convert to fraction form
    5,692.40/7,855.55 = 3,174.68/x
  3. Step 3: Cross multiply
    5,692.40x = 7,855.55 × 3,174.68
  4. Step 4: Simplify right side
    5,692.40x = 24,938,802.32
  5. Step 5: Solve for x
    x = 24,938,802.32/5,692.40
  6. Step 6: Final answer
    x = 4,381.07

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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.