Home / 5,890.04-8,128.35-3,372.14

Finding the Fourth Proportional to 5,890.04, 8,128.35 and 3,372.14

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Solution

The fourth proportional to 5,890.04, 8,128.35 and 3,372.14 is: 4,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.04 : 8,128.35 = 3,372.14 : x
  2. Step 2: Convert to fraction form
    5,890.04/8,128.35 = 3,372.14/x
  3. Step 3: Cross multiply
    5,890.04x = 8,128.35 × 3,372.14
  4. Step 4: Simplify right side
    5,890.04x = 27,409,934.17
  5. Step 5: Solve for x
    x = 27,409,934.17/5,890.04
  6. Step 6: Final answer
    x = 4,653.61

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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.