Home / 4,749.39-7,125.53-3,365.40

Finding the Fourth Proportional to 4,749.39, 7,125.53 and 3,365.40

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Solution

The fourth proportional to 4,749.39, 7,125.53 and 3,365.40 is: 5,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.39 : 7,125.53 = 3,365.40 : x
  2. Step 2: Convert to fraction form
    4,749.39/7,125.53 = 3,365.40/x
  3. Step 3: Cross multiply
    4,749.39x = 7,125.53 × 3,365.40
  4. Step 4: Simplify right side
    4,749.39x = 23,980,241.84
  5. Step 5: Solve for x
    x = 23,980,241.84/4,749.39
  6. Step 6: Final answer
    x = 5,049.12

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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.