Home / 7,577.79-11,366.42-2,312.59

Finding the Fourth Proportional to 7,577.79, 11,366.42 and 2,312.59

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Solution

The fourth proportional to 7,577.79, 11,366.42 and 2,312.59 is: 3,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.79 : 11,366.42 = 2,312.59 : x
  2. Step 2: Convert to fraction form
    7,577.79/11,366.42 = 2,312.59/x
  3. Step 3: Cross multiply
    7,577.79x = 11,366.42 × 2,312.59
  4. Step 4: Simplify right side
    7,577.79x = 26,285,869.23
  5. Step 5: Solve for x
    x = 26,285,869.23/7,577.79
  6. Step 6: Final answer
    x = 3,468.80

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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.