Home / 2,425.96-3,347.99-1,378.23

Finding the Fourth Proportional to 2,425.96, 3,347.99 and 1,378.23

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Solution

The fourth proportional to 2,425.96, 3,347.99 and 1,378.23 is: 1,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.96 : 3,347.99 = 1,378.23 : x
  2. Step 2: Convert to fraction form
    2,425.96/3,347.99 = 1,378.23/x
  3. Step 3: Cross multiply
    2,425.96x = 3,347.99 × 1,378.23
  4. Step 4: Simplify right side
    2,425.96x = 4,614,300.26
  5. Step 5: Solve for x
    x = 4,614,300.26/2,425.96
  6. Step 6: Final answer
    x = 1,902.05

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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.