Home / 5,330.05-7,357.31-3,206.77

Finding the Fourth Proportional to 5,330.05, 7,357.31 and 3,206.77

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Solution

The fourth proportional to 5,330.05, 7,357.31 and 3,206.77 is: 4,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.05 : 7,357.31 = 3,206.77 : x
  2. Step 2: Convert to fraction form
    5,330.05/7,357.31 = 3,206.77/x
  3. Step 3: Cross multiply
    5,330.05x = 7,357.31 × 3,206.77
  4. Step 4: Simplify right side
    5,330.05x = 23,593,184.95
  5. Step 5: Solve for x
    x = 23,593,184.95/5,330.05
  6. Step 6: Final answer
    x = 4,426.45

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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.