Home / 5,664.90-7,817.83-3,147.02

Finding the Fourth Proportional to 5,664.90, 7,817.83 and 3,147.02

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Solution

The fourth proportional to 5,664.90, 7,817.83 and 3,147.02 is: 4,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.90 : 7,817.83 = 3,147.02 : x
  2. Step 2: Convert to fraction form
    5,664.90/7,817.83 = 3,147.02/x
  3. Step 3: Cross multiply
    5,664.90x = 7,817.83 × 3,147.02
  4. Step 4: Simplify right side
    5,664.90x = 24,602,820.41
  5. Step 5: Solve for x
    x = 24,602,820.41/5,664.90
  6. Step 6: Final answer
    x = 4,343.03

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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.