Home / 7,651.49-10,558.42-5,414.67

Finding the Fourth Proportional to 7,651.49, 10,558.42 and 5,414.67

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Solution

The fourth proportional to 7,651.49, 10,558.42 and 5,414.67 is: 7,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.49 : 10,558.42 = 5,414.67 : x
  2. Step 2: Convert to fraction form
    7,651.49/10,558.42 = 5,414.67/x
  3. Step 3: Cross multiply
    7,651.49x = 10,558.42 × 5,414.67
  4. Step 4: Simplify right side
    7,651.49x = 57,170,346.48
  5. Step 5: Solve for x
    x = 57,170,346.48/7,651.49
  6. Step 6: Final answer
    x = 7,471.80

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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.