Home / 3,715.93-5,128.50-2,300.07

Finding the Fourth Proportional to 3,715.93, 5,128.50 and 2,300.07

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Solution

The fourth proportional to 3,715.93, 5,128.50 and 2,300.07 is: 3,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.93 : 5,128.50 = 2,300.07 : x
  2. Step 2: Convert to fraction form
    3,715.93/5,128.50 = 2,300.07/x
  3. Step 3: Cross multiply
    3,715.93x = 5,128.50 × 2,300.07
  4. Step 4: Simplify right side
    3,715.93x = 11,795,883.35
  5. Step 5: Solve for x
    x = 11,795,883.35/3,715.93
  6. Step 6: Final answer
    x = 3,174.41

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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.