Home / 3,749.67-5,623.52-1,116.47

Finding the Fourth Proportional to 3,749.67, 5,623.52 and 1,116.47

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Solution

The fourth proportional to 3,749.67, 5,623.52 and 1,116.47 is: 1,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.67 : 5,623.52 = 1,116.47 : x
  2. Step 2: Convert to fraction form
    3,749.67/5,623.52 = 1,116.47/x
  3. Step 3: Cross multiply
    3,749.67x = 5,623.52 × 1,116.47
  4. Step 4: Simplify right side
    3,749.67x = 6,278,457.67
  5. Step 5: Solve for x
    x = 6,278,457.67/3,749.67
  6. Step 6: Final answer
    x = 1,674.40

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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.