Home / 5,982.56-8,973.60-4,220.32

Finding the Fourth Proportional to 5,982.56, 8,973.60 and 4,220.32

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Solution

The fourth proportional to 5,982.56, 8,973.60 and 4,220.32 is: 6,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.56 : 8,973.60 = 4,220.32 : x
  2. Step 2: Convert to fraction form
    5,982.56/8,973.60 = 4,220.32/x
  3. Step 3: Cross multiply
    5,982.56x = 8,973.60 × 4,220.32
  4. Step 4: Simplify right side
    5,982.56x = 37,871,463.55
  5. Step 5: Solve for x
    x = 37,871,463.55/5,982.56
  6. Step 6: Final answer
    x = 6,330.31

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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.