Home / 3,087.07-4,631.19-1,006.90

Finding the Fourth Proportional to 3,087.07, 4,631.19 and 1,006.90

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Solution

The fourth proportional to 3,087.07, 4,631.19 and 1,006.90 is: 1,510.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.07 : 4,631.19 = 1,006.90 : x
  2. Step 2: Convert to fraction form
    3,087.07/4,631.19 = 1,006.90/x
  3. Step 3: Cross multiply
    3,087.07x = 4,631.19 × 1,006.90
  4. Step 4: Simplify right side
    3,087.07x = 4,663,145.21
  5. Step 5: Solve for x
    x = 4,663,145.21/3,087.07
  6. Step 6: Final answer
    x = 1,510.54

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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.