Home / 7,645.84-10,550.79-4,288.41

Finding the Fourth Proportional to 7,645.84, 10,550.79 and 4,288.41

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Solution

The fourth proportional to 7,645.84, 10,550.79 and 4,288.41 is: 5,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.84 : 10,550.79 = 4,288.41 : x
  2. Step 2: Convert to fraction form
    7,645.84/10,550.79 = 4,288.41/x
  3. Step 3: Cross multiply
    7,645.84x = 10,550.79 × 4,288.41
  4. Step 4: Simplify right side
    7,645.84x = 45,246,113.34
  5. Step 5: Solve for x
    x = 45,246,113.34/7,645.84
  6. Step 6: Final answer
    x = 5,917.74

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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.