Home / 7,808.08-10,776.36-4,450.90

Finding the Fourth Proportional to 7,808.08, 10,776.36 and 4,450.90

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Solution

The fourth proportional to 7,808.08, 10,776.36 and 4,450.90 is: 6,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.08 : 10,776.36 = 4,450.90 : x
  2. Step 2: Convert to fraction form
    7,808.08/10,776.36 = 4,450.90/x
  3. Step 3: Cross multiply
    7,808.08x = 10,776.36 × 4,450.90
  4. Step 4: Simplify right side
    7,808.08x = 47,964,500.72
  5. Step 5: Solve for x
    x = 47,964,500.72/7,808.08
  6. Step 6: Final answer
    x = 6,142.93

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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.