Home / 6,450.75-8,901.98-3,656.25

Finding the Fourth Proportional to 6,450.75, 8,901.98 and 3,656.25

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Solution

The fourth proportional to 6,450.75, 8,901.98 and 3,656.25 is: 5,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.75 : 8,901.98 = 3,656.25 : x
  2. Step 2: Convert to fraction form
    6,450.75/8,901.98 = 3,656.25/x
  3. Step 3: Cross multiply
    6,450.75x = 8,901.98 × 3,656.25
  4. Step 4: Simplify right side
    6,450.75x = 32,547,846.09
  5. Step 5: Solve for x
    x = 32,547,846.09/6,450.75
  6. Step 6: Final answer
    x = 5,045.59

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Half scale
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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.