Home / 5,890.13-8,128.10-3,237.49

Finding the Fourth Proportional to 5,890.13, 8,128.10 and 3,237.49

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Solution

The fourth proportional to 5,890.13, 8,128.10 and 3,237.49 is: 4,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.13 : 8,128.10 = 3,237.49 : x
  2. Step 2: Convert to fraction form
    5,890.13/8,128.10 = 3,237.49/x
  3. Step 3: Cross multiply
    5,890.13x = 8,128.10 × 3,237.49
  4. Step 4: Simplify right side
    5,890.13x = 26,314,596.79
  5. Step 5: Solve for x
    x = 26,314,596.79/5,890.13
  6. Step 6: Final answer
    x = 4,467.57

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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.