Home / 7,635.87-11,454.01-3,686.51

Finding the Fourth Proportional to 7,635.87, 11,454.01 and 3,686.51

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Solution

The fourth proportional to 7,635.87, 11,454.01 and 3,686.51 is: 5,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.87 : 11,454.01 = 3,686.51 : x
  2. Step 2: Convert to fraction form
    7,635.87/11,454.01 = 3,686.51/x
  3. Step 3: Cross multiply
    7,635.87x = 11,454.01 × 3,686.51
  4. Step 4: Simplify right side
    7,635.87x = 42,225,341.82
  5. Step 5: Solve for x
    x = 42,225,341.82/7,635.87
  6. Step 6: Final answer
    x = 5,529.87

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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.