Home / 4,433.12-6,650.56-1,313.20

Finding the Fourth Proportional to 4,433.12, 6,650.56 and 1,313.20

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Solution

The fourth proportional to 4,433.12, 6,650.56 and 1,313.20 is: 1,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,433.12 : 6,650.56 = 1,313.20 : x
  2. Step 2: Convert to fraction form
    4,433.12/6,650.56 = 1,313.20/x
  3. Step 3: Cross multiply
    4,433.12x = 6,650.56 × 1,313.20
  4. Step 4: Simplify right side
    4,433.12x = 8,733,515.39
  5. Step 5: Solve for x
    x = 8,733,515.39/4,433.12
  6. Step 6: Final answer
    x = 1,970.06

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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.