Home / 6,740.78-9,302.36-3,756.51

Finding the Fourth Proportional to 6,740.78, 9,302.36 and 3,756.51

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Solution

The fourth proportional to 6,740.78, 9,302.36 and 3,756.51 is: 5,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.78 : 9,302.36 = 3,756.51 : x
  2. Step 2: Convert to fraction form
    6,740.78/9,302.36 = 3,756.51/x
  3. Step 3: Cross multiply
    6,740.78x = 9,302.36 × 3,756.51
  4. Step 4: Simplify right side
    6,740.78x = 34,944,410.71
  5. Step 5: Solve for x
    x = 34,944,410.71/6,740.78
  6. Step 6: Final answer
    x = 5,184.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.