Home / 6,085.78-8,389.20-4,757.18

Finding the Fourth Proportional to 6,085.78, 8,389.20 and 4,757.18

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Solution

The fourth proportional to 6,085.78, 8,389.20 and 4,757.18 is: 6,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.78 : 8,389.20 = 4,757.18 : x
  2. Step 2: Convert to fraction form
    6,085.78/8,389.20 = 4,757.18/x
  3. Step 3: Cross multiply
    6,085.78x = 8,389.20 × 4,757.18
  4. Step 4: Simplify right side
    6,085.78x = 39,908,917.40
  5. Step 5: Solve for x
    x = 39,908,917.40/6,085.78
  6. Step 6: Final answer
    x = 6,557.73

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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.