Home / 7,555.51-10,427.85-4,199.41

Finding the Fourth Proportional to 7,555.51, 10,427.85 and 4,199.41

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Solution

The fourth proportional to 7,555.51, 10,427.85 and 4,199.41 is: 5,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.51 : 10,427.85 = 4,199.41 : x
  2. Step 2: Convert to fraction form
    7,555.51/10,427.85 = 4,199.41/x
  3. Step 3: Cross multiply
    7,555.51x = 10,427.85 × 4,199.41
  4. Step 4: Simplify right side
    7,555.51x = 43,790,817.57
  5. Step 5: Solve for x
    x = 43,790,817.57/7,555.51
  6. Step 6: Final answer
    x = 5,795.88

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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.