Home / 4,101.84-6,152.76-1,911.60

Finding the Fourth Proportional to 4,101.84, 6,152.76 and 1,911.60

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Solution

The fourth proportional to 4,101.84, 6,152.76 and 1,911.60 is: 2,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.84 : 6,152.76 = 1,911.60 : x
  2. Step 2: Convert to fraction form
    4,101.84/6,152.76 = 1,911.60/x
  3. Step 3: Cross multiply
    4,101.84x = 6,152.76 × 1,911.60
  4. Step 4: Simplify right side
    4,101.84x = 11,761,616.02
  5. Step 5: Solve for x
    x = 11,761,616.02/4,101.84
  6. Step 6: Final answer
    x = 2,867.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.