Home / 5,742.37-8,602.60-3,890.31

Finding the Fourth Proportional to 5,742.37, 8,602.60 and 3,890.31

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Solution

The fourth proportional to 5,742.37, 8,602.60 and 3,890.31 is: 5,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.37 : 8,602.60 = 3,890.31 : x
  2. Step 2: Convert to fraction form
    5,742.37/8,602.60 = 3,890.31/x
  3. Step 3: Cross multiply
    5,742.37x = 8,602.60 × 3,890.31
  4. Step 4: Simplify right side
    5,742.37x = 33,466,780.81
  5. Step 5: Solve for x
    x = 33,466,780.81/5,742.37
  6. Step 6: Final answer
    x = 5,828.04

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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.