Home / 4,455.60-6,683.40-3,073.20

Finding the Fourth Proportional to 4,455.60, 6,683.40 and 3,073.20

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Solution

The fourth proportional to 4,455.60, 6,683.40 and 3,073.20 is: 4,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.60 : 6,683.40 = 3,073.20 : x
  2. Step 2: Convert to fraction form
    4,455.60/6,683.40 = 3,073.20/x
  3. Step 3: Cross multiply
    4,455.60x = 6,683.40 × 3,073.20
  4. Step 4: Simplify right side
    4,455.60x = 20,539,424.88
  5. Step 5: Solve for x
    x = 20,539,424.88/4,455.60
  6. Step 6: Final answer
    x = 4,609.80

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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.