Home / 5,999.70-8,280.36-3,608.58

Finding the Fourth Proportional to 5,999.70, 8,280.36 and 3,608.58

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Solution

The fourth proportional to 5,999.70, 8,280.36 and 3,608.58 is: 4,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.70 : 8,280.36 = 3,608.58 : x
  2. Step 2: Convert to fraction form
    5,999.70/8,280.36 = 3,608.58/x
  3. Step 3: Cross multiply
    5,999.70x = 8,280.36 × 3,608.58
  4. Step 4: Simplify right side
    5,999.70x = 29,880,341.49
  5. Step 5: Solve for x
    x = 29,880,341.49/5,999.70
  6. Step 6: Final answer
    x = 4,980.31

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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.