Home / 7,023.91-9,692.40-4,039.15

Finding the Fourth Proportional to 7,023.91, 9,692.40 and 4,039.15

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Solution

The fourth proportional to 7,023.91, 9,692.40 and 4,039.15 is: 5,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.91 : 9,692.40 = 4,039.15 : x
  2. Step 2: Convert to fraction form
    7,023.91/9,692.40 = 4,039.15/x
  3. Step 3: Cross multiply
    7,023.91x = 9,692.40 × 4,039.15
  4. Step 4: Simplify right side
    7,023.91x = 39,149,057.46
  5. Step 5: Solve for x
    x = 39,149,057.46/7,023.91
  6. Step 6: Final answer
    x = 5,573.68

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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.