Home / 4,761.36-6,570.66-2,872.68

Finding the Fourth Proportional to 4,761.36, 6,570.66 and 2,872.68

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Solution

The fourth proportional to 4,761.36, 6,570.66 and 2,872.68 is: 3,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.36 : 6,570.66 = 2,872.68 : x
  2. Step 2: Convert to fraction form
    4,761.36/6,570.66 = 2,872.68/x
  3. Step 3: Cross multiply
    4,761.36x = 6,570.66 × 2,872.68
  4. Step 4: Simplify right side
    4,761.36x = 18,875,403.57
  5. Step 5: Solve for x
    x = 18,875,403.57/4,761.36
  6. Step 6: Final answer
    x = 3,964.29

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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.