Home / 7,055.76-9,736.88-3,869.23

Finding the Fourth Proportional to 7,055.76, 9,736.88 and 3,869.23

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Solution

The fourth proportional to 7,055.76, 9,736.88 and 3,869.23 is: 5,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.76 : 9,736.88 = 3,869.23 : x
  2. Step 2: Convert to fraction form
    7,055.76/9,736.88 = 3,869.23/x
  3. Step 3: Cross multiply
    7,055.76x = 9,736.88 × 3,869.23
  4. Step 4: Simplify right side
    7,055.76x = 37,674,208.86
  5. Step 5: Solve for x
    x = 37,674,208.86/7,055.76
  6. Step 6: Final answer
    x = 5,339.50

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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.