Home / 7,551.42-11,324.55-2,870.30

Finding the Fourth Proportional to 7,551.42, 11,324.55 and 2,870.30

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Solution

The fourth proportional to 7,551.42, 11,324.55 and 2,870.30 is: 4,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.42 : 11,324.55 = 2,870.30 : x
  2. Step 2: Convert to fraction form
    7,551.42/11,324.55 = 2,870.30/x
  3. Step 3: Cross multiply
    7,551.42x = 11,324.55 × 2,870.30
  4. Step 4: Simplify right side
    7,551.42x = 32,504,855.87
  5. Step 5: Solve for x
    x = 32,504,855.87/7,551.42
  6. Step 6: Final answer
    x = 4,304.47

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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.