Home / 3,516.12-5,274.72-1,175.40

Finding the Fourth Proportional to 3,516.12, 5,274.72 and 1,175.40

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Solution

The fourth proportional to 3,516.12, 5,274.72 and 1,175.40 is: 1,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.12 : 5,274.72 = 1,175.40 : x
  2. Step 2: Convert to fraction form
    3,516.12/5,274.72 = 1,175.40/x
  3. Step 3: Cross multiply
    3,516.12x = 5,274.72 × 1,175.40
  4. Step 4: Simplify right side
    3,516.12x = 6,199,905.89
  5. Step 5: Solve for x
    x = 6,199,905.89/3,516.12
  6. Step 6: Final answer
    x = 1,763.28

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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.