Home / 4,784.36-7,177.30-1,665.32

Finding the Fourth Proportional to 4,784.36, 7,177.30 and 1,665.32

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Solution

The fourth proportional to 4,784.36, 7,177.30 and 1,665.32 is: 2,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.36 : 7,177.30 = 1,665.32 : x
  2. Step 2: Convert to fraction form
    4,784.36/7,177.30 = 1,665.32/x
  3. Step 3: Cross multiply
    4,784.36x = 7,177.30 × 1,665.32
  4. Step 4: Simplify right side
    4,784.36x = 11,952,501.24
  5. Step 5: Solve for x
    x = 11,952,501.24/4,784.36
  6. Step 6: Final answer
    x = 2,498.24

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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.