Home / 4,826.54-6,660.65-2,810.45

Finding the Fourth Proportional to 4,826.54, 6,660.65 and 2,810.45

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Solution

The fourth proportional to 4,826.54, 6,660.65 and 2,810.45 is: 3,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.54 : 6,660.65 = 2,810.45 : x
  2. Step 2: Convert to fraction form
    4,826.54/6,660.65 = 2,810.45/x
  3. Step 3: Cross multiply
    4,826.54x = 6,660.65 × 2,810.45
  4. Step 4: Simplify right side
    4,826.54x = 18,719,376.44
  5. Step 5: Solve for x
    x = 18,719,376.44/4,826.54
  6. Step 6: Final answer
    x = 3,878.43

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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.