Home / 5,970.37-8,242.56-3,987.49

Finding the Fourth Proportional to 5,970.37, 8,242.56 and 3,987.49

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Solution

The fourth proportional to 5,970.37, 8,242.56 and 3,987.49 is: 5,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.37 : 8,242.56 = 3,987.49 : x
  2. Step 2: Convert to fraction form
    5,970.37/8,242.56 = 3,987.49/x
  3. Step 3: Cross multiply
    5,970.37x = 8,242.56 × 3,987.49
  4. Step 4: Simplify right side
    5,970.37x = 32,867,125.57
  5. Step 5: Solve for x
    x = 32,867,125.57/5,970.37
  6. Step 6: Final answer
    x = 5,505.04

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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.