Home / 5,475.87-7,548.80-3,901.23

Finding the Fourth Proportional to 5,475.87, 7,548.80 and 3,901.23

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Solution

The fourth proportional to 5,475.87, 7,548.80 and 3,901.23 is: 5,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.87 : 7,548.80 = 3,901.23 : x
  2. Step 2: Convert to fraction form
    5,475.87/7,548.80 = 3,901.23/x
  3. Step 3: Cross multiply
    5,475.87x = 7,548.80 × 3,901.23
  4. Step 4: Simplify right side
    5,475.87x = 29,449,585.52
  5. Step 5: Solve for x
    x = 29,449,585.52/5,475.87
  6. Step 6: Final answer
    x = 5,378.07

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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.