Home / 4,829.12-6,664.28-3,151.60

Finding the Fourth Proportional to 4,829.12, 6,664.28 and 3,151.60

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Solution

The fourth proportional to 4,829.12, 6,664.28 and 3,151.60 is: 4,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.12 : 6,664.28 = 3,151.60 : x
  2. Step 2: Convert to fraction form
    4,829.12/6,664.28 = 3,151.60/x
  3. Step 3: Cross multiply
    4,829.12x = 6,664.28 × 3,151.60
  4. Step 4: Simplify right side
    4,829.12x = 21,003,144.85
  5. Step 5: Solve for x
    x = 21,003,144.85/4,829.12
  6. Step 6: Final answer
    x = 4,349.27

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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.