Home / 6,749.61-9,313.35-3,765.48

Finding the Fourth Proportional to 6,749.61, 9,313.35 and 3,765.48

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Solution

The fourth proportional to 6,749.61, 9,313.35 and 3,765.48 is: 5,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.61 : 9,313.35 = 3,765.48 : x
  2. Step 2: Convert to fraction form
    6,749.61/9,313.35 = 3,765.48/x
  3. Step 3: Cross multiply
    6,749.61x = 9,313.35 × 3,765.48
  4. Step 4: Simplify right side
    6,749.61x = 35,069,233.16
  5. Step 5: Solve for x
    x = 35,069,233.16/6,749.61
  6. Step 6: Final answer
    x = 5,195.74

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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.