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Finding the Fourth Proportional to 5,803.53, 8,015.40 and 3,922.88

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Solution

The fourth proportional to 5,803.53, 8,015.40 and 3,922.88 is: 5,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.53 : 8,015.40 = 3,922.88 : x
  2. Step 2: Convert to fraction form
    5,803.53/8,015.40 = 3,922.88/x
  3. Step 3: Cross multiply
    5,803.53x = 8,015.40 × 3,922.88
  4. Step 4: Simplify right side
    5,803.53x = 31,443,412.28
  5. Step 5: Solve for x
    x = 31,443,412.28/5,803.53
  6. Step 6: Final answer
    x = 5,417.98

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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.