Home / 3,271.84-4,515.26-1,874.86

Finding the Fourth Proportional to 3,271.84, 4,515.26 and 1,874.86

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Solution

The fourth proportional to 3,271.84, 4,515.26 and 1,874.86 is: 2,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.84 : 4,515.26 = 1,874.86 : x
  2. Step 2: Convert to fraction form
    3,271.84/4,515.26 = 1,874.86/x
  3. Step 3: Cross multiply
    3,271.84x = 4,515.26 × 1,874.86
  4. Step 4: Simplify right side
    3,271.84x = 8,465,486.01
  5. Step 5: Solve for x
    x = 8,465,486.01/3,271.84
  6. Step 6: Final answer
    x = 2,587.38

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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.