Home / 2,829.13-3,904.00-1,709.71

Finding the Fourth Proportional to 2,829.13, 3,904.00 and 1,709.71

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Solution

The fourth proportional to 2,829.13, 3,904.00 and 1,709.71 is: 2,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.13 : 3,904.00 = 1,709.71 : x
  2. Step 2: Convert to fraction form
    2,829.13/3,904.00 = 1,709.71/x
  3. Step 3: Cross multiply
    2,829.13x = 3,904.00 × 1,709.71
  4. Step 4: Simplify right side
    2,829.13x = 6,674,693.81
  5. Step 5: Solve for x
    x = 6,674,693.81/2,829.13
  6. Step 6: Final answer
    x = 2,359.28

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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.