Home / 3,312.10-4,568.67-1,966.80

Finding the Fourth Proportional to 3,312.10, 4,568.67 and 1,966.80

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Solution

The fourth proportional to 3,312.10, 4,568.67 and 1,966.80 is: 2,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.10 : 4,568.67 = 1,966.80 : x
  2. Step 2: Convert to fraction form
    3,312.10/4,568.67 = 1,966.80/x
  3. Step 3: Cross multiply
    3,312.10x = 4,568.67 × 1,966.80
  4. Step 4: Simplify right side
    3,312.10x = 8,985,637.31
  5. Step 5: Solve for x
    x = 8,985,637.31/3,312.10
  6. Step 6: Final answer
    x = 2,712.97

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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.