Home / 5,289.90-7,299.44-3,051.74

Finding the Fourth Proportional to 5,289.90, 7,299.44 and 3,051.74

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Solution

The fourth proportional to 5,289.90, 7,299.44 and 3,051.74 is: 4,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.90 : 7,299.44 = 3,051.74 : x
  2. Step 2: Convert to fraction form
    5,289.90/7,299.44 = 3,051.74/x
  3. Step 3: Cross multiply
    5,289.90x = 7,299.44 × 3,051.74
  4. Step 4: Simplify right side
    5,289.90x = 22,275,993.03
  5. Step 5: Solve for x
    x = 22,275,993.03/5,289.90
  6. Step 6: Final answer
    x = 4,211.04

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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.