Home / 4,957.17-6,840.84-2,861.25

Finding the Fourth Proportional to 4,957.17, 6,840.84 and 2,861.25

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Solution

The fourth proportional to 4,957.17, 6,840.84 and 2,861.25 is: 3,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.17 : 6,840.84 = 2,861.25 : x
  2. Step 2: Convert to fraction form
    4,957.17/6,840.84 = 2,861.25/x
  3. Step 3: Cross multiply
    4,957.17x = 6,840.84 × 2,861.25
  4. Step 4: Simplify right side
    4,957.17x = 19,573,353.45
  5. Step 5: Solve for x
    x = 19,573,353.45/4,957.17
  6. Step 6: Final answer
    x = 3,948.49

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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.