Home / 6,580.20-9,854.10-4,927.80

Finding the Fourth Proportional to 6,580.20, 9,854.10 and 4,927.80

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Solution

The fourth proportional to 6,580.20, 9,854.10 and 4,927.80 is: 7,379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.20 : 9,854.10 = 4,927.80 : x
  2. Step 2: Convert to fraction form
    6,580.20/9,854.10 = 4,927.80/x
  3. Step 3: Cross multiply
    6,580.20x = 9,854.10 × 4,927.80
  4. Step 4: Simplify right side
    6,580.20x = 48,559,033.98
  5. Step 5: Solve for x
    x = 48,559,033.98/6,580.20
  6. Step 6: Final answer
    x = 7,379.57

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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.