Home / 7,590.82-11,386.85-2,660.35

Finding the Fourth Proportional to 7,590.82, 11,386.85 and 2,660.35

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Solution

The fourth proportional to 7,590.82, 11,386.85 and 2,660.35 is: 3,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.82 : 11,386.85 = 2,660.35 : x
  2. Step 2: Convert to fraction form
    7,590.82/11,386.85 = 2,660.35/x
  3. Step 3: Cross multiply
    7,590.82x = 11,386.85 × 2,660.35
  4. Step 4: Simplify right side
    7,590.82x = 30,293,006.40
  5. Step 5: Solve for x
    x = 30,293,006.40/7,590.82
  6. Step 6: Final answer
    x = 3,990.74

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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.