Home / 3,271.57-4,514.77-1,874.32

Finding the Fourth Proportional to 3,271.57, 4,514.77 and 1,874.32

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Solution

The fourth proportional to 3,271.57, 4,514.77 and 1,874.32 is: 2,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.57 : 4,514.77 = 1,874.32 : x
  2. Step 2: Convert to fraction form
    3,271.57/4,514.77 = 1,874.32/x
  3. Step 3: Cross multiply
    3,271.57x = 4,514.77 × 1,874.32
  4. Step 4: Simplify right side
    3,271.57x = 8,462,123.71
  5. Step 5: Solve for x
    x = 8,462,123.71/3,271.57
  6. Step 6: Final answer
    x = 2,586.56

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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.