Home / 7,055.28-9,735.96-4,072.08

Finding the Fourth Proportional to 7,055.28, 9,735.96 and 4,072.08

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Solution

The fourth proportional to 7,055.28, 9,735.96 and 4,072.08 is: 5,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.28 : 9,735.96 = 4,072.08 : x
  2. Step 2: Convert to fraction form
    7,055.28/9,735.96 = 4,072.08/x
  3. Step 3: Cross multiply
    7,055.28x = 9,735.96 × 4,072.08
  4. Step 4: Simplify right side
    7,055.28x = 39,645,608.00
  5. Step 5: Solve for x
    x = 39,645,608.00/7,055.28
  6. Step 6: Final answer
    x = 5,619.28

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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.