Home / 4,673.40-6,995.70-2,719.80

Finding the Fourth Proportional to 4,673.40, 6,995.70 and 2,719.80

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Solution

The fourth proportional to 4,673.40, 6,995.70 and 2,719.80 is: 4,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.40 : 6,995.70 = 2,719.80 : x
  2. Step 2: Convert to fraction form
    4,673.40/6,995.70 = 2,719.80/x
  3. Step 3: Cross multiply
    4,673.40x = 6,995.70 × 2,719.80
  4. Step 4: Simplify right side
    4,673.40x = 19,026,904.86
  5. Step 5: Solve for x
    x = 19,026,904.86/4,673.40
  6. Step 6: Final answer
    x = 4,071.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.