Home / 5,301.84-7,953.12-1,406.12

Finding the Fourth Proportional to 5,301.84, 7,953.12 and 1,406.12

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Solution

The fourth proportional to 5,301.84, 7,953.12 and 1,406.12 is: 2,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.84 : 7,953.12 = 1,406.12 : x
  2. Step 2: Convert to fraction form
    5,301.84/7,953.12 = 1,406.12/x
  3. Step 3: Cross multiply
    5,301.84x = 7,953.12 × 1,406.12
  4. Step 4: Simplify right side
    5,301.84x = 11,183,041.09
  5. Step 5: Solve for x
    x = 11,183,041.09/5,301.84
  6. Step 6: Final answer
    x = 2,109.28

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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.