Home / 4,889.11-6,746.80-2,898.48

Finding the Fourth Proportional to 4,889.11, 6,746.80 and 2,898.48

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Solution

The fourth proportional to 4,889.11, 6,746.80 and 2,898.48 is: 3,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.11 : 6,746.80 = 2,898.48 : x
  2. Step 2: Convert to fraction form
    4,889.11/6,746.80 = 2,898.48/x
  3. Step 3: Cross multiply
    4,889.11x = 6,746.80 × 2,898.48
  4. Step 4: Simplify right side
    4,889.11x = 19,555,450.37
  5. Step 5: Solve for x
    x = 19,555,450.37/4,889.11
  6. Step 6: Final answer
    x = 3,999.80

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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.