Home / 6,475.58-8,936.52-3,957.38

Finding the Fourth Proportional to 6,475.58, 8,936.52 and 3,957.38

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Solution

The fourth proportional to 6,475.58, 8,936.52 and 3,957.38 is: 5,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.58 : 8,936.52 = 3,957.38 : x
  2. Step 2: Convert to fraction form
    6,475.58/8,936.52 = 3,957.38/x
  3. Step 3: Cross multiply
    6,475.58x = 8,936.52 × 3,957.38
  4. Step 4: Simplify right side
    6,475.58x = 35,365,205.52
  5. Step 5: Solve for x
    x = 35,365,205.52/6,475.58
  6. Step 6: Final answer
    x = 5,461.32

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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.