Home / 7,440.64-11,155.95-3,926.93

Finding the Fourth Proportional to 7,440.64, 11,155.95 and 3,926.93

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Solution

The fourth proportional to 7,440.64, 11,155.95 and 3,926.93 is: 5,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.64 : 11,155.95 = 3,926.93 : x
  2. Step 2: Convert to fraction form
    7,440.64/11,155.95 = 3,926.93/x
  3. Step 3: Cross multiply
    7,440.64x = 11,155.95 × 3,926.93
  4. Step 4: Simplify right side
    7,440.64x = 43,808,578.95
  5. Step 5: Solve for x
    x = 43,808,578.95/7,440.64
  6. Step 6: Final answer
    x = 5,887.75

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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.