Home / 7,038.81-9,713.58-3,852.04

Finding the Fourth Proportional to 7,038.81, 9,713.58 and 3,852.04

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Solution

The fourth proportional to 7,038.81, 9,713.58 and 3,852.04 is: 5,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.81 : 9,713.58 = 3,852.04 : x
  2. Step 2: Convert to fraction form
    7,038.81/9,713.58 = 3,852.04/x
  3. Step 3: Cross multiply
    7,038.81x = 9,713.58 × 3,852.04
  4. Step 4: Simplify right side
    7,038.81x = 37,417,098.70
  5. Step 5: Solve for x
    x = 37,417,098.70/7,038.81
  6. Step 6: Final answer
    x = 5,315.83

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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.