Home / 3,116.42-4,676.46-2,875.88

Finding the Fourth Proportional to 3,116.42, 4,676.46 and 2,875.88

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Solution

The fourth proportional to 3,116.42, 4,676.46 and 2,875.88 is: 4,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.42 : 4,676.46 = 2,875.88 : x
  2. Step 2: Convert to fraction form
    3,116.42/4,676.46 = 2,875.88/x
  3. Step 3: Cross multiply
    3,116.42x = 4,676.46 × 2,875.88
  4. Step 4: Simplify right side
    3,116.42x = 13,448,937.78
  5. Step 5: Solve for x
    x = 13,448,937.78/3,116.42
  6. Step 6: Final answer
    x = 4,315.51

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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.