Home / 5,457.97-8,171.56-5,283.01

Finding the Fourth Proportional to 5,457.97, 8,171.56 and 5,283.01

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Solution

The fourth proportional to 5,457.97, 8,171.56 and 5,283.01 is: 7,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.97 : 8,171.56 = 5,283.01 : x
  2. Step 2: Convert to fraction form
    5,457.97/8,171.56 = 5,283.01/x
  3. Step 3: Cross multiply
    5,457.97x = 8,171.56 × 5,283.01
  4. Step 4: Simplify right side
    5,457.97x = 43,170,365.92
  5. Step 5: Solve for x
    x = 43,170,365.92/5,457.97
  6. Step 6: Final answer
    x = 7,909.61

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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.