Home / 4,892.20-7,302.50-4,203.30

Finding the Fourth Proportional to 4,892.20, 7,302.50 and 4,203.30

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Solution

The fourth proportional to 4,892.20, 7,302.50 and 4,203.30 is: 6,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.20 : 7,302.50 = 4,203.30 : x
  2. Step 2: Convert to fraction form
    4,892.20/7,302.50 = 4,203.30/x
  3. Step 3: Cross multiply
    4,892.20x = 7,302.50 × 4,203.30
  4. Step 4: Simplify right side
    4,892.20x = 30,694,598.25
  5. Step 5: Solve for x
    x = 30,694,598.25/4,892.20
  6. Step 6: Final answer
    x = 6,274.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.