Home / 7,527.99-11,291.96-1,905.72

Finding the Fourth Proportional to 7,527.99, 11,291.96 and 1,905.72

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Solution

The fourth proportional to 7,527.99, 11,291.96 and 1,905.72 is: 2,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,527.99 : 11,291.96 = 1,905.72 : x
  2. Step 2: Convert to fraction form
    7,527.99/11,291.96 = 1,905.72/x
  3. Step 3: Cross multiply
    7,527.99x = 11,291.96 × 1,905.72
  4. Step 4: Simplify right side
    7,527.99x = 21,519,265.71
  5. Step 5: Solve for x
    x = 21,519,265.71/7,527.99
  6. Step 6: Final answer
    x = 2,858.57

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Similar ratio
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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.