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Finding the Fourth Proportional to 5,803.55, 8,011.19 and 3,916.25

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Solution

The fourth proportional to 5,803.55, 8,011.19 and 3,916.25 is: 5,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.55 : 8,011.19 = 3,916.25 : x
  2. Step 2: Convert to fraction form
    5,803.55/8,011.19 = 3,916.25/x
  3. Step 3: Cross multiply
    5,803.55x = 8,011.19 × 3,916.25
  4. Step 4: Simplify right side
    5,803.55x = 31,373,803.26
  5. Step 5: Solve for x
    x = 31,373,803.26/5,803.55
  6. Step 6: Final answer
    x = 5,405.97

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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.