Home / 7,045.14-9,721.91-3,901.13

Finding the Fourth Proportional to 7,045.14, 9,721.91 and 3,901.13

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Solution

The fourth proportional to 7,045.14, 9,721.91 and 3,901.13 is: 5,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.14 : 9,721.91 = 3,901.13 : x
  2. Step 2: Convert to fraction form
    7,045.14/9,721.91 = 3,901.13/x
  3. Step 3: Cross multiply
    7,045.14x = 9,721.91 × 3,901.13
  4. Step 4: Simplify right side
    7,045.14x = 37,926,366.64
  5. Step 5: Solve for x
    x = 37,926,366.64/7,045.14
  6. Step 6: Final answer
    x = 5,383.34

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1.5x scale

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.