Home / 6,428.77-8,871.84-3,596.06

Finding the Fourth Proportional to 6,428.77, 8,871.84 and 3,596.06

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Solution

The fourth proportional to 6,428.77, 8,871.84 and 3,596.06 is: 4,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.77 : 8,871.84 = 3,596.06 : x
  2. Step 2: Convert to fraction form
    6,428.77/8,871.84 = 3,596.06/x
  3. Step 3: Cross multiply
    6,428.77x = 8,871.84 × 3,596.06
  4. Step 4: Simplify right side
    6,428.77x = 31,903,691.13
  5. Step 5: Solve for x
    x = 31,903,691.13/6,428.77
  6. Step 6: Final answer
    x = 4,962.65

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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.