Home / 7,154.84-10,733.80-3,645.36

Finding the Fourth Proportional to 7,154.84, 10,733.80 and 3,645.36

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Solution

The fourth proportional to 7,154.84, 10,733.80 and 3,645.36 is: 5,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.84 : 10,733.80 = 3,645.36 : x
  2. Step 2: Convert to fraction form
    7,154.84/10,733.80 = 3,645.36/x
  3. Step 3: Cross multiply
    7,154.84x = 10,733.80 × 3,645.36
  4. Step 4: Simplify right side
    7,154.84x = 39,128,565.17
  5. Step 5: Solve for x
    x = 39,128,565.17/7,154.84
  6. Step 6: Final answer
    x = 5,468.82

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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.