Home / 7,041.33-9,716.76-3,897.45

Finding the Fourth Proportional to 7,041.33, 9,716.76 and 3,897.45

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Solution

The fourth proportional to 7,041.33, 9,716.76 and 3,897.45 is: 5,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.33 : 9,716.76 = 3,897.45 : x
  2. Step 2: Convert to fraction form
    7,041.33/9,716.76 = 3,897.45/x
  3. Step 3: Cross multiply
    7,041.33x = 9,716.76 × 3,897.45
  4. Step 4: Simplify right side
    7,041.33x = 37,870,586.26
  5. Step 5: Solve for x
    x = 37,870,586.26/7,041.33
  6. Step 6: Final answer
    x = 5,378.33

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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.