Home / 4,235.14-6,353.49-1,312.75

Finding the Fourth Proportional to 4,235.14, 6,353.49 and 1,312.75

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Solution

The fourth proportional to 4,235.14, 6,353.49 and 1,312.75 is: 1,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.14 : 6,353.49 = 1,312.75 : x
  2. Step 2: Convert to fraction form
    4,235.14/6,353.49 = 1,312.75/x
  3. Step 3: Cross multiply
    4,235.14x = 6,353.49 × 1,312.75
  4. Step 4: Simplify right side
    4,235.14x = 8,340,544.00
  5. Step 5: Solve for x
    x = 8,340,544.00/4,235.14
  6. Step 6: Final answer
    x = 1,969.37

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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.