Home / 5,485.04-8,225.48-1,974.06

Finding the Fourth Proportional to 5,485.04, 8,225.48 and 1,974.06

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Solution

The fourth proportional to 5,485.04, 8,225.48 and 1,974.06 is: 2,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.04 : 8,225.48 = 1,974.06 : x
  2. Step 2: Convert to fraction form
    5,485.04/8,225.48 = 1,974.06/x
  3. Step 3: Cross multiply
    5,485.04x = 8,225.48 × 1,974.06
  4. Step 4: Simplify right side
    5,485.04x = 16,237,591.05
  5. Step 5: Solve for x
    x = 16,237,591.05/5,485.04
  6. Step 6: Final answer
    x = 2,960.34

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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.