Home / 5,020.16-7,529.52-2,422.40

Finding the Fourth Proportional to 5,020.16, 7,529.52 and 2,422.40

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Solution

The fourth proportional to 5,020.16, 7,529.52 and 2,422.40 is: 3,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.16 : 7,529.52 = 2,422.40 : x
  2. Step 2: Convert to fraction form
    5,020.16/7,529.52 = 2,422.40/x
  3. Step 3: Cross multiply
    5,020.16x = 7,529.52 × 2,422.40
  4. Step 4: Simplify right side
    5,020.16x = 18,239,509.25
  5. Step 5: Solve for x
    x = 18,239,509.25/5,020.16
  6. Step 6: Final answer
    x = 3,633.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.