Home / 7,203.98-9,941.88-4,220.04

Finding the Fourth Proportional to 7,203.98, 9,941.88 and 4,220.04

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Solution

The fourth proportional to 7,203.98, 9,941.88 and 4,220.04 is: 5,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.98 : 9,941.88 = 4,220.04 : x
  2. Step 2: Convert to fraction form
    7,203.98/9,941.88 = 4,220.04/x
  3. Step 3: Cross multiply
    7,203.98x = 9,941.88 × 4,220.04
  4. Step 4: Simplify right side
    7,203.98x = 41,955,131.28
  5. Step 5: Solve for x
    x = 41,955,131.28/7,203.98
  6. Step 6: Final answer
    x = 5,823.88

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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.