Home / 2,427.08-3,348.96-1,431.98

Finding the Fourth Proportional to 2,427.08, 3,348.96 and 1,431.98

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Solution

The fourth proportional to 2,427.08, 3,348.96 and 1,431.98 is: 1,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.08 : 3,348.96 = 1,431.98 : x
  2. Step 2: Convert to fraction form
    2,427.08/3,348.96 = 1,431.98/x
  3. Step 3: Cross multiply
    2,427.08x = 3,348.96 × 1,431.98
  4. Step 4: Simplify right side
    2,427.08x = 4,795,643.74
  5. Step 5: Solve for x
    x = 4,795,643.74/2,427.08
  6. Step 6: Final answer
    x = 1,975.89

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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.