Home / 6,381.02-8,805.88-3,586.46

Finding the Fourth Proportional to 6,381.02, 8,805.88 and 3,586.46

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Solution

The fourth proportional to 6,381.02, 8,805.88 and 3,586.46 is: 4,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.02 : 8,805.88 = 3,586.46 : x
  2. Step 2: Convert to fraction form
    6,381.02/8,805.88 = 3,586.46/x
  3. Step 3: Cross multiply
    6,381.02x = 8,805.88 × 3,586.46
  4. Step 4: Simplify right side
    6,381.02x = 31,581,883.39
  5. Step 5: Solve for x
    x = 31,581,883.39/6,381.02
  6. Step 6: Final answer
    x = 4,949.35

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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.