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Finding the Fourth Proportional to 2,590.81, 3,575.87 and 1,795.82

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Solution

The fourth proportional to 2,590.81, 3,575.87 and 1,795.82 is: 2,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.81 : 3,575.87 = 1,795.82 : x
  2. Step 2: Convert to fraction form
    2,590.81/3,575.87 = 1,795.82/x
  3. Step 3: Cross multiply
    2,590.81x = 3,575.87 × 1,795.82
  4. Step 4: Simplify right side
    2,590.81x = 6,421,614.41
  5. Step 5: Solve for x
    x = 6,421,614.41/2,590.81
  6. Step 6: Final answer
    x = 2,478.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.