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Finding the Fourth Proportional to 5,813.62, 7,915.46 and 5,795.16

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Solution

The fourth proportional to 5,813.62, 7,915.46 and 5,795.16 is: 7,890.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.62 : 7,915.46 = 5,795.16 : x
  2. Step 2: Convert to fraction form
    5,813.62/7,915.46 = 5,795.16/x
  3. Step 3: Cross multiply
    5,813.62x = 7,915.46 × 5,795.16
  4. Step 4: Simplify right side
    5,813.62x = 45,871,328.20
  5. Step 5: Solve for x
    x = 45,871,328.20/5,813.62
  6. Step 6: Final answer
    x = 7,890.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.