Home / 7,056.14-9,738.45-4,071.92

Finding the Fourth Proportional to 7,056.14, 9,738.45 and 4,071.92

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Solution

The fourth proportional to 7,056.14, 9,738.45 and 4,071.92 is: 5,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.14 : 9,738.45 = 4,071.92 : x
  2. Step 2: Convert to fraction form
    7,056.14/9,738.45 = 4,071.92/x
  3. Step 3: Cross multiply
    7,056.14x = 9,738.45 × 4,071.92
  4. Step 4: Simplify right side
    7,056.14x = 39,654,140.63
  5. Step 5: Solve for x
    x = 39,654,140.63/7,056.14
  6. Step 6: Final answer
    x = 5,619.81

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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.