Home / 5,263.12-7,263.30-3,400.12

Finding the Fourth Proportional to 5,263.12, 7,263.30 and 3,400.12

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Solution

The fourth proportional to 5,263.12, 7,263.30 and 3,400.12 is: 4,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.12 : 7,263.30 = 3,400.12 : x
  2. Step 2: Convert to fraction form
    5,263.12/7,263.30 = 3,400.12/x
  3. Step 3: Cross multiply
    5,263.12x = 7,263.30 × 3,400.12
  4. Step 4: Simplify right side
    5,263.12x = 24,696,091.60
  5. Step 5: Solve for x
    x = 24,696,091.60/5,263.12
  6. Step 6: Final answer
    x = 4,692.29

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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.