Home / 7,577.10-11,368.48-3,415.86

Finding the Fourth Proportional to 7,577.10, 11,368.48 and 3,415.86

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Solution

The fourth proportional to 7,577.10, 11,368.48 and 3,415.86 is: 5,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.10 : 11,368.48 = 3,415.86 : x
  2. Step 2: Convert to fraction form
    7,577.10/11,368.48 = 3,415.86/x
  3. Step 3: Cross multiply
    7,577.10x = 11,368.48 × 3,415.86
  4. Step 4: Simplify right side
    7,577.10x = 38,833,136.09
  5. Step 5: Solve for x
    x = 38,833,136.09/7,577.10
  6. Step 6: Final answer
    x = 5,125.07

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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.