Home / 7,065.40-10,583.70-3,604.60

Finding the Fourth Proportional to 7,065.40, 10,583.70 and 3,604.60

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Solution

The fourth proportional to 7,065.40, 10,583.70 and 3,604.60 is: 5,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.40 : 10,583.70 = 3,604.60 : x
  2. Step 2: Convert to fraction form
    7,065.40/10,583.70 = 3,604.60/x
  3. Step 3: Cross multiply
    7,065.40x = 10,583.70 × 3,604.60
  4. Step 4: Simplify right side
    7,065.40x = 38,150,005.02
  5. Step 5: Solve for x
    x = 38,150,005.02/7,065.40
  6. Step 6: Final answer
    x = 5,399.55

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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.