Home / 7,310.06-10,087.90-4,166.26

Finding the Fourth Proportional to 7,310.06, 10,087.90 and 4,166.26

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Solution

The fourth proportional to 7,310.06, 10,087.90 and 4,166.26 is: 5,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.06 : 10,087.90 = 4,166.26 : x
  2. Step 2: Convert to fraction form
    7,310.06/10,087.90 = 4,166.26/x
  3. Step 3: Cross multiply
    7,310.06x = 10,087.90 × 4,166.26
  4. Step 4: Simplify right side
    7,310.06x = 42,028,814.25
  5. Step 5: Solve for x
    x = 42,028,814.25/7,310.06
  6. Step 6: Final answer
    x = 5,749.45

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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.