Home / 5,013.16-7,514.46-2,087.40

Finding the Fourth Proportional to 5,013.16, 7,514.46 and 2,087.40

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Solution

The fourth proportional to 5,013.16, 7,514.46 and 2,087.40 is: 3,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.16 : 7,514.46 = 2,087.40 : x
  2. Step 2: Convert to fraction form
    5,013.16/7,514.46 = 2,087.40/x
  3. Step 3: Cross multiply
    5,013.16x = 7,514.46 × 2,087.40
  4. Step 4: Simplify right side
    5,013.16x = 15,685,683.80
  5. Step 5: Solve for x
    x = 15,685,683.80/5,013.16
  6. Step 6: Final answer
    x = 3,128.90

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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.