Home / 4,978.23-7,467.35-2,053.32

Finding the Fourth Proportional to 4,978.23, 7,467.35 and 2,053.32

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Solution

The fourth proportional to 4,978.23, 7,467.35 and 2,053.32 is: 3,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978.23 : 7,467.35 = 2,053.32 : x
  2. Step 2: Convert to fraction form
    4,978.23/7,467.35 = 2,053.32/x
  3. Step 3: Cross multiply
    4,978.23x = 7,467.35 × 2,053.32
  4. Step 4: Simplify right side
    4,978.23x = 15,332,848.84
  5. Step 5: Solve for x
    x = 15,332,848.84/4,978.23
  6. Step 6: Final answer
    x = 3,079.98

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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.