Home / 3,278.07-4,521.49-1,950.75

Finding the Fourth Proportional to 3,278.07, 4,521.49 and 1,950.75

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Solution

The fourth proportional to 3,278.07, 4,521.49 and 1,950.75 is: 2,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.07 : 4,521.49 = 1,950.75 : x
  2. Step 2: Convert to fraction form
    3,278.07/4,521.49 = 1,950.75/x
  3. Step 3: Cross multiply
    3,278.07x = 4,521.49 × 1,950.75
  4. Step 4: Simplify right side
    3,278.07x = 8,820,291.74
  5. Step 5: Solve for x
    x = 8,820,291.74/3,278.07
  6. Step 6: Final answer
    x = 2,690.70

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Half scale
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Double scale
Find fourth proportional to 3,279.07, 4,522.87 and 1,951.75
Similar ratio
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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.