Home / 7,001.80-10,502.73-2,071.53

Finding the Fourth Proportional to 7,001.80, 10,502.73 and 2,071.53

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Solution

The fourth proportional to 7,001.80, 10,502.73 and 2,071.53 is: 3,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.80 : 10,502.73 = 2,071.53 : x
  2. Step 2: Convert to fraction form
    7,001.80/10,502.73 = 2,071.53/x
  3. Step 3: Cross multiply
    7,001.80x = 10,502.73 × 2,071.53
  4. Step 4: Simplify right side
    7,001.80x = 21,756,720.28
  5. Step 5: Solve for x
    x = 21,756,720.28/7,001.80
  6. Step 6: Final answer
    x = 3,107.30

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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.