Home / 7,020.94-9,684.54-4,502.20

Finding the Fourth Proportional to 7,020.94, 9,684.54 and 4,502.20

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Solution

The fourth proportional to 7,020.94, 9,684.54 and 4,502.20 is: 6,210.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.94 : 9,684.54 = 4,502.20 : x
  2. Step 2: Convert to fraction form
    7,020.94/9,684.54 = 4,502.20/x
  3. Step 3: Cross multiply
    7,020.94x = 9,684.54 × 4,502.20
  4. Step 4: Simplify right side
    7,020.94x = 43,601,735.99
  5. Step 5: Solve for x
    x = 43,601,735.99/7,020.94
  6. Step 6: Final answer
    x = 6,210.24

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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.