Home / 5,368.08-7,403.56-3,779.99

Finding the Fourth Proportional to 5,368.08, 7,403.56 and 3,779.99

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Solution

The fourth proportional to 5,368.08, 7,403.56 and 3,779.99 is: 5,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.08 : 7,403.56 = 3,779.99 : x
  2. Step 2: Convert to fraction form
    5,368.08/7,403.56 = 3,779.99/x
  3. Step 3: Cross multiply
    5,368.08x = 7,403.56 × 3,779.99
  4. Step 4: Simplify right side
    5,368.08x = 27,985,391.82
  5. Step 5: Solve for x
    x = 27,985,391.82/5,368.08
  6. Step 6: Final answer
    x = 5,213.30

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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.