Home / 6,738.08-9,298.34-3,905.51

Finding the Fourth Proportional to 6,738.08, 9,298.34 and 3,905.51

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Solution

The fourth proportional to 6,738.08, 9,298.34 and 3,905.51 is: 5,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.08 : 9,298.34 = 3,905.51 : x
  2. Step 2: Convert to fraction form
    6,738.08/9,298.34 = 3,905.51/x
  3. Step 3: Cross multiply
    6,738.08x = 9,298.34 × 3,905.51
  4. Step 4: Simplify right side
    6,738.08x = 36,314,693.83
  5. Step 5: Solve for x
    x = 36,314,693.83/6,738.08
  6. Step 6: Final answer
    x = 5,389.48

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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.