Home / 6,529.91-9,015.96-4,015.40

Finding the Fourth Proportional to 6,529.91, 9,015.96 and 4,015.40

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Solution

The fourth proportional to 6,529.91, 9,015.96 and 4,015.40 is: 5,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,529.91 : 9,015.96 = 4,015.40 : x
  2. Step 2: Convert to fraction form
    6,529.91/9,015.96 = 4,015.40/x
  3. Step 3: Cross multiply
    6,529.91x = 9,015.96 × 4,015.40
  4. Step 4: Simplify right side
    6,529.91x = 36,202,633.18
  5. Step 5: Solve for x
    x = 36,202,633.18/6,529.91
  6. Step 6: Final answer
    x = 5,544.13

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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.