Home / 7,427.23-11,139.42-4,790.59

Finding the Fourth Proportional to 7,427.23, 11,139.42 and 4,790.59

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Solution

The fourth proportional to 7,427.23, 11,139.42 and 4,790.59 is: 7,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.23 : 11,139.42 = 4,790.59 : x
  2. Step 2: Convert to fraction form
    7,427.23/11,139.42 = 4,790.59/x
  3. Step 3: Cross multiply
    7,427.23x = 11,139.42 × 4,790.59
  4. Step 4: Simplify right side
    7,427.23x = 53,364,394.06
  5. Step 5: Solve for x
    x = 53,364,394.06/7,427.23
  6. Step 6: Final answer
    x = 7,184.97

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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.