Home / 5,288.48-7,297.86-2,898.44

Finding the Fourth Proportional to 5,288.48, 7,297.86 and 2,898.44

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Solution

The fourth proportional to 5,288.48, 7,297.86 and 2,898.44 is: 3,999.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.48 : 7,297.86 = 2,898.44 : x
  2. Step 2: Convert to fraction form
    5,288.48/7,297.86 = 2,898.44/x
  3. Step 3: Cross multiply
    5,288.48x = 7,297.86 × 2,898.44
  4. Step 4: Simplify right side
    5,288.48x = 21,152,409.34
  5. Step 5: Solve for x
    x = 21,152,409.34/5,288.48
  6. Step 6: Final answer
    x = 3,999.71

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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.