Home / 7,055.07-9,736.71-3,911.85

Finding the Fourth Proportional to 7,055.07, 9,736.71 and 3,911.85

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Solution

The fourth proportional to 7,055.07, 9,736.71 and 3,911.85 is: 5,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.07 : 9,736.71 = 3,911.85 : x
  2. Step 2: Convert to fraction form
    7,055.07/9,736.71 = 3,911.85/x
  3. Step 3: Cross multiply
    7,055.07x = 9,736.71 × 3,911.85
  4. Step 4: Simplify right side
    7,055.07x = 38,088,549.01
  5. Step 5: Solve for x
    x = 38,088,549.01/7,055.07
  6. Step 6: Final answer
    x = 5,398.75

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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.