Home / 4,645.36-6,412.38-3,153.94

Finding the Fourth Proportional to 4,645.36, 6,412.38 and 3,153.94

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Solution

The fourth proportional to 4,645.36, 6,412.38 and 3,153.94 is: 4,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.36 : 6,412.38 = 3,153.94 : x
  2. Step 2: Convert to fraction form
    4,645.36/6,412.38 = 3,153.94/x
  3. Step 3: Cross multiply
    4,645.36x = 6,412.38 × 3,153.94
  4. Step 4: Simplify right side
    4,645.36x = 20,224,261.78
  5. Step 5: Solve for x
    x = 20,224,261.78/4,645.36
  6. Step 6: Final answer
    x = 4,353.65

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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.