Home / 5,302.51-7,941.65-2,531.13

Finding the Fourth Proportional to 5,302.51, 7,941.65 and 2,531.13

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Solution

The fourth proportional to 5,302.51, 7,941.65 and 2,531.13 is: 3,790.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.51 : 7,941.65 = 2,531.13 : x
  2. Step 2: Convert to fraction form
    5,302.51/7,941.65 = 2,531.13/x
  3. Step 3: Cross multiply
    5,302.51x = 7,941.65 × 2,531.13
  4. Step 4: Simplify right side
    5,302.51x = 20,101,348.56
  5. Step 5: Solve for x
    x = 20,101,348.56/5,302.51
  6. Step 6: Final answer
    x = 3,790.91

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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.