Home / 5,715.37-7,887.36-3,357.04

Finding the Fourth Proportional to 5,715.37, 7,887.36 and 3,357.04

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Solution

The fourth proportional to 5,715.37, 7,887.36 and 3,357.04 is: 4,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.37 : 7,887.36 = 3,357.04 : x
  2. Step 2: Convert to fraction form
    5,715.37/7,887.36 = 3,357.04/x
  3. Step 3: Cross multiply
    5,715.37x = 7,887.36 × 3,357.04
  4. Step 4: Simplify right side
    5,715.37x = 26,478,183.01
  5. Step 5: Solve for x
    x = 26,478,183.01/5,715.37
  6. Step 6: Final answer
    x = 4,632.80

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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.