Home / 7,054.57-9,736.01-3,911.37

Finding the Fourth Proportional to 7,054.57, 9,736.01 and 3,911.37

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Solution

The fourth proportional to 7,054.57, 9,736.01 and 3,911.37 is: 5,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.57 : 9,736.01 = 3,911.37 : x
  2. Step 2: Convert to fraction form
    7,054.57/9,736.01 = 3,911.37/x
  3. Step 3: Cross multiply
    7,054.57x = 9,736.01 × 3,911.37
  4. Step 4: Simplify right side
    7,054.57x = 38,081,069.20
  5. Step 5: Solve for x
    x = 38,081,069.20/7,054.57
  6. Step 6: Final answer
    x = 5,398.07

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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.