Home / 7,023.57-9,692.75-4,040.37

Finding the Fourth Proportional to 7,023.57, 9,692.75 and 4,040.37

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Solution

The fourth proportional to 7,023.57, 9,692.75 and 4,040.37 is: 5,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.57 : 9,692.75 = 4,040.37 : x
  2. Step 2: Convert to fraction form
    7,023.57/9,692.75 = 4,040.37/x
  3. Step 3: Cross multiply
    7,023.57x = 9,692.75 × 4,040.37
  4. Step 4: Simplify right side
    7,023.57x = 39,162,276.12
  5. Step 5: Solve for x
    x = 39,162,276.12/7,023.57
  6. Step 6: Final answer
    x = 5,575.84

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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.