Home / 4,990.08-7,484.84-1,527.32

Finding the Fourth Proportional to 4,990.08, 7,484.84 and 1,527.32

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Solution

The fourth proportional to 4,990.08, 7,484.84 and 1,527.32 is: 2,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.08 : 7,484.84 = 1,527.32 : x
  2. Step 2: Convert to fraction form
    4,990.08/7,484.84 = 1,527.32/x
  3. Step 3: Cross multiply
    4,990.08x = 7,484.84 × 1,527.32
  4. Step 4: Simplify right side
    4,990.08x = 11,431,745.83
  5. Step 5: Solve for x
    x = 11,431,745.83/4,990.08
  6. Step 6: Final answer
    x = 2,290.89

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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.