Home / 5,586.75-8,381.33-1,888.80

Finding the Fourth Proportional to 5,586.75, 8,381.33 and 1,888.80

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Solution

The fourth proportional to 5,586.75, 8,381.33 and 1,888.80 is: 2,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586.75 : 8,381.33 = 1,888.80 : x
  2. Step 2: Convert to fraction form
    5,586.75/8,381.33 = 1,888.80/x
  3. Step 3: Cross multiply
    5,586.75x = 8,381.33 × 1,888.80
  4. Step 4: Simplify right side
    5,586.75x = 15,830,646.66
  5. Step 5: Solve for x
    x = 15,830,646.66/5,586.75
  6. Step 6: Final answer
    x = 2,833.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.