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Finding the Fourth Proportional to 5,148.94, 7,759.69 and 4,655.91

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Solution

The fourth proportional to 5,148.94, 7,759.69 and 4,655.91 is: 7,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.94 : 7,759.69 = 4,655.91 : x
  2. Step 2: Convert to fraction form
    5,148.94/7,759.69 = 4,655.91/x
  3. Step 3: Cross multiply
    5,148.94x = 7,759.69 × 4,655.91
  4. Step 4: Simplify right side
    5,148.94x = 36,128,394.99
  5. Step 5: Solve for x
    x = 36,128,394.99/5,148.94
  6. Step 6: Final answer
    x = 7,016.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.