Home / 7,535.84-10,399.60-4,178.56

Finding the Fourth Proportional to 7,535.84, 10,399.60 and 4,178.56

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Solution

The fourth proportional to 7,535.84, 10,399.60 and 4,178.56 is: 5,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.84 : 10,399.60 = 4,178.56 : x
  2. Step 2: Convert to fraction form
    7,535.84/10,399.60 = 4,178.56/x
  3. Step 3: Cross multiply
    7,535.84x = 10,399.60 × 4,178.56
  4. Step 4: Simplify right side
    7,535.84x = 43,455,352.58
  5. Step 5: Solve for x
    x = 43,455,352.58/7,535.84
  6. Step 6: Final answer
    x = 5,766.49

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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.