Home / 7,309.70-10,087.41-4,165.94

Finding the Fourth Proportional to 7,309.70, 10,087.41 and 4,165.94

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Solution

The fourth proportional to 7,309.70, 10,087.41 and 4,165.94 is: 5,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.70 : 10,087.41 = 4,165.94 : x
  2. Step 2: Convert to fraction form
    7,309.70/10,087.41 = 4,165.94/x
  3. Step 3: Cross multiply
    7,309.70x = 10,087.41 × 4,165.94
  4. Step 4: Simplify right side
    7,309.70x = 42,023,544.82
  5. Step 5: Solve for x
    x = 42,023,544.82/7,309.70
  6. Step 6: Final answer
    x = 5,749.01

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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.