Home / 7,905.71-10,910.37-4,548.45

Finding the Fourth Proportional to 7,905.71, 10,910.37 and 4,548.45

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Solution

The fourth proportional to 7,905.71, 10,910.37 and 4,548.45 is: 6,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.71 : 10,910.37 = 4,548.45 : x
  2. Step 2: Convert to fraction form
    7,905.71/10,910.37 = 4,548.45/x
  3. Step 3: Cross multiply
    7,905.71x = 10,910.37 × 4,548.45
  4. Step 4: Simplify right side
    7,905.71x = 49,625,272.43
  5. Step 5: Solve for x
    x = 49,625,272.43/7,905.71
  6. Step 6: Final answer
    x = 6,277.14

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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.