Home / 2,626.73-3,920.87-2,315.35

Finding the Fourth Proportional to 2,626.73, 3,920.87 and 2,315.35

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Solution

The fourth proportional to 2,626.73, 3,920.87 and 2,315.35 is: 3,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.73 : 3,920.87 = 2,315.35 : x
  2. Step 2: Convert to fraction form
    2,626.73/3,920.87 = 2,315.35/x
  3. Step 3: Cross multiply
    2,626.73x = 3,920.87 × 2,315.35
  4. Step 4: Simplify right side
    2,626.73x = 9,078,186.35
  5. Step 5: Solve for x
    x = 9,078,186.35/2,626.73
  6. Step 6: Final answer
    x = 3,456.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.