Home / 2,363.25-3,261.39-1,315.35

Finding the Fourth Proportional to 2,363.25, 3,261.39 and 1,315.35

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Solution

The fourth proportional to 2,363.25, 3,261.39 and 1,315.35 is: 1,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.25 : 3,261.39 = 1,315.35 : x
  2. Step 2: Convert to fraction form
    2,363.25/3,261.39 = 1,315.35/x
  3. Step 3: Cross multiply
    2,363.25x = 3,261.39 × 1,315.35
  4. Step 4: Simplify right side
    2,363.25x = 4,289,869.34
  5. Step 5: Solve for x
    x = 4,289,869.34/2,363.25
  6. Step 6: Final answer
    x = 1,815.24

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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.