Home / 2,363.36-3,261.26-1,315.42

Finding the Fourth Proportional to 2,363.36, 3,261.26 and 1,315.42

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Solution

The fourth proportional to 2,363.36, 3,261.26 and 1,315.42 is: 1,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.36 : 3,261.26 = 1,315.42 : x
  2. Step 2: Convert to fraction form
    2,363.36/3,261.26 = 1,315.42/x
  3. Step 3: Cross multiply
    2,363.36x = 3,261.26 × 1,315.42
  4. Step 4: Simplify right side
    2,363.36x = 4,289,921.76
  5. Step 5: Solve for x
    x = 4,289,921.76/2,363.36
  6. Step 6: Final answer
    x = 1,815.18

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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.