Home / 3,116.08-4,675.49-1,655.36

Finding the Fourth Proportional to 3,116.08, 4,675.49 and 1,655.36

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Solution

The fourth proportional to 3,116.08, 4,675.49 and 1,655.36 is: 2,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.08 : 4,675.49 = 1,655.36 : x
  2. Step 2: Convert to fraction form
    3,116.08/4,675.49 = 1,655.36/x
  3. Step 3: Cross multiply
    3,116.08x = 4,675.49 × 1,655.36
  4. Step 4: Simplify right side
    3,116.08x = 7,739,619.13
  5. Step 5: Solve for x
    x = 7,739,619.13/3,116.08
  6. Step 6: Final answer
    x = 2,483.77

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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.