Home / 5,313.44-7,970.20-1,850.68

Finding the Fourth Proportional to 5,313.44, 7,970.20 and 1,850.68

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Solution

The fourth proportional to 5,313.44, 7,970.20 and 1,850.68 is: 2,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.44 : 7,970.20 = 1,850.68 : x
  2. Step 2: Convert to fraction form
    5,313.44/7,970.20 = 1,850.68/x
  3. Step 3: Cross multiply
    5,313.44x = 7,970.20 × 1,850.68
  4. Step 4: Simplify right side
    5,313.44x = 14,750,289.74
  5. Step 5: Solve for x
    x = 14,750,289.74/5,313.44
  6. Step 6: Final answer
    x = 2,776.03

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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.