Home / 5,890.19-8,128.35-3,237.57

Finding the Fourth Proportional to 5,890.19, 8,128.35 and 3,237.57

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Solution

The fourth proportional to 5,890.19, 8,128.35 and 3,237.57 is: 4,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.19 : 8,128.35 = 3,237.57 : x
  2. Step 2: Convert to fraction form
    5,890.19/8,128.35 = 3,237.57/x
  3. Step 3: Cross multiply
    5,890.19x = 8,128.35 × 3,237.57
  4. Step 4: Simplify right side
    5,890.19x = 26,316,102.11
  5. Step 5: Solve for x
    x = 26,316,102.11/5,890.19
  6. Step 6: Final answer
    x = 4,467.79

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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.