Home / 7,535.97-10,399.77-4,178.93

Finding the Fourth Proportional to 7,535.97, 10,399.77 and 4,178.93

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Solution

The fourth proportional to 7,535.97, 10,399.77 and 4,178.93 is: 5,766.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.97 : 10,399.77 = 4,178.93 : x
  2. Step 2: Convert to fraction form
    7,535.97/10,399.77 = 4,178.93/x
  3. Step 3: Cross multiply
    7,535.97x = 10,399.77 × 4,178.93
  4. Step 4: Simplify right side
    7,535.97x = 43,459,837.95
  5. Step 5: Solve for x
    x = 43,459,837.95/7,535.97
  6. Step 6: Final answer
    x = 5,766.99

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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.