Home / 5,447.17-8,157.80-3,133.81

Finding the Fourth Proportional to 5,447.17, 8,157.80 and 3,133.81

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Solution

The fourth proportional to 5,447.17, 8,157.80 and 3,133.81 is: 4,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.17 : 8,157.80 = 3,133.81 : x
  2. Step 2: Convert to fraction form
    5,447.17/8,157.80 = 3,133.81/x
  3. Step 3: Cross multiply
    5,447.17x = 8,157.80 × 3,133.81
  4. Step 4: Simplify right side
    5,447.17x = 25,564,995.22
  5. Step 5: Solve for x
    x = 25,564,995.22/5,447.17
  6. Step 6: Final answer
    x = 4,693.26

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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.