Home / 4,842.20-7,263.30-4,356.20

Finding the Fourth Proportional to 4,842.20, 7,263.30 and 4,356.20

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Solution

The fourth proportional to 4,842.20, 7,263.30 and 4,356.20 is: 6,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.20 : 7,263.30 = 4,356.20 : x
  2. Step 2: Convert to fraction form
    4,842.20/7,263.30 = 4,356.20/x
  3. Step 3: Cross multiply
    4,842.20x = 7,263.30 × 4,356.20
  4. Step 4: Simplify right side
    4,842.20x = 31,640,387.46
  5. Step 5: Solve for x
    x = 31,640,387.46/4,842.20
  6. Step 6: Final answer
    x = 6,534.30

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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.