Home / 6,278.79-8,672.40-4,597.84

Finding the Fourth Proportional to 6,278.79, 8,672.40 and 4,597.84

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Solution

The fourth proportional to 6,278.79, 8,672.40 and 4,597.84 is: 6,350.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.79 : 8,672.40 = 4,597.84 : x
  2. Step 2: Convert to fraction form
    6,278.79/8,672.40 = 4,597.84/x
  3. Step 3: Cross multiply
    6,278.79x = 8,672.40 × 4,597.84
  4. Step 4: Simplify right side
    6,278.79x = 39,874,241.26
  5. Step 5: Solve for x
    x = 39,874,241.26/6,278.79
  6. Step 6: Final answer
    x = 6,350.63

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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.