Home / 7,309.90-10,087.77-4,166.02

Finding the Fourth Proportional to 7,309.90, 10,087.77 and 4,166.02

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Solution

The fourth proportional to 7,309.90, 10,087.77 and 4,166.02 is: 5,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.90 : 10,087.77 = 4,166.02 : x
  2. Step 2: Convert to fraction form
    7,309.90/10,087.77 = 4,166.02/x
  3. Step 3: Cross multiply
    7,309.90x = 10,087.77 × 4,166.02
  4. Step 4: Simplify right side
    7,309.90x = 42,025,851.58
  5. Step 5: Solve for x
    x = 42,025,851.58/7,309.90
  6. Step 6: Final answer
    x = 5,749.17

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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.