Home / 5,257.92-7,256.36-2,900.56

Finding the Fourth Proportional to 5,257.92, 7,256.36 and 2,900.56

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Solution

The fourth proportional to 5,257.92, 7,256.36 and 2,900.56 is: 4,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.92 : 7,256.36 = 2,900.56 : x
  2. Step 2: Convert to fraction form
    5,257.92/7,256.36 = 2,900.56/x
  3. Step 3: Cross multiply
    5,257.92x = 7,256.36 × 2,900.56
  4. Step 4: Simplify right side
    5,257.92x = 21,047,507.56
  5. Step 5: Solve for x
    x = 21,047,507.56/5,257.92
  6. Step 6: Final answer
    x = 4,003.01

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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.