Home / 6,479.74-8,946.35-4,985.02

Finding the Fourth Proportional to 6,479.74, 8,946.35 and 4,985.02

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Solution

The fourth proportional to 6,479.74, 8,946.35 and 4,985.02 is: 6,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.74 : 8,946.35 = 4,985.02 : x
  2. Step 2: Convert to fraction form
    6,479.74/8,946.35 = 4,985.02/x
  3. Step 3: Cross multiply
    6,479.74x = 8,946.35 × 4,985.02
  4. Step 4: Simplify right side
    6,479.74x = 44,597,733.68
  5. Step 5: Solve for x
    x = 44,597,733.68/6,479.74
  6. Step 6: Final answer
    x = 6,882.64

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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.