Home / 3,505.16-5,256.72-2,887.34

Finding the Fourth Proportional to 3,505.16, 5,256.72 and 2,887.34

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Solution

The fourth proportional to 3,505.16, 5,256.72 and 2,887.34 is: 4,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.16 : 5,256.72 = 2,887.34 : x
  2. Step 2: Convert to fraction form
    3,505.16/5,256.72 = 2,887.34/x
  3. Step 3: Cross multiply
    3,505.16x = 5,256.72 × 2,887.34
  4. Step 4: Simplify right side
    3,505.16x = 15,177,911.64
  5. Step 5: Solve for x
    x = 15,177,911.64/3,505.16
  6. Step 6: Final answer
    x = 4,330.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.