Home / 7,490.58-11,242.77-3,795.40

Finding the Fourth Proportional to 7,490.58, 11,242.77 and 3,795.40

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Solution

The fourth proportional to 7,490.58, 11,242.77 and 3,795.40 is: 5,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.58 : 11,242.77 = 3,795.40 : x
  2. Step 2: Convert to fraction form
    7,490.58/11,242.77 = 3,795.40/x
  3. Step 3: Cross multiply
    7,490.58x = 11,242.77 × 3,795.40
  4. Step 4: Simplify right side
    7,490.58x = 42,670,809.26
  5. Step 5: Solve for x
    x = 42,670,809.26/7,490.58
  6. Step 6: Final answer
    x = 5,696.60

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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.