Home / 6,475.48-8,936.98-3,680.44

Finding the Fourth Proportional to 6,475.48, 8,936.98 and 3,680.44

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Solution

The fourth proportional to 6,475.48, 8,936.98 and 3,680.44 is: 5,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.48 : 8,936.98 = 3,680.44 : x
  2. Step 2: Convert to fraction form
    6,475.48/8,936.98 = 3,680.44/x
  3. Step 3: Cross multiply
    6,475.48x = 8,936.98 × 3,680.44
  4. Step 4: Simplify right side
    6,475.48x = 32,892,018.67
  5. Step 5: Solve for x
    x = 32,892,018.67/6,475.48
  6. Step 6: Final answer
    x = 5,079.47

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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.