Home / 7,719.21-11,580.93-2,525.04

Finding the Fourth Proportional to 7,719.21, 11,580.93 and 2,525.04

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Solution

The fourth proportional to 7,719.21, 11,580.93 and 2,525.04 is: 3,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.21 : 11,580.93 = 2,525.04 : x
  2. Step 2: Convert to fraction form
    7,719.21/11,580.93 = 2,525.04/x
  3. Step 3: Cross multiply
    7,719.21x = 11,580.93 × 2,525.04
  4. Step 4: Simplify right side
    7,719.21x = 29,242,311.49
  5. Step 5: Solve for x
    x = 29,242,311.49/7,719.21
  6. Step 6: Final answer
    x = 3,788.25

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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.