Home / 4,620.18-6,378.45-3,051.03

Finding the Fourth Proportional to 4,620.18, 6,378.45 and 3,051.03

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Solution

The fourth proportional to 4,620.18, 6,378.45 and 3,051.03 is: 4,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.18 : 6,378.45 = 3,051.03 : x
  2. Step 2: Convert to fraction form
    4,620.18/6,378.45 = 3,051.03/x
  3. Step 3: Cross multiply
    4,620.18x = 6,378.45 × 3,051.03
  4. Step 4: Simplify right side
    4,620.18x = 19,460,842.30
  5. Step 5: Solve for x
    x = 19,460,842.30/4,620.18
  6. Step 6: Final answer
    x = 4,212.14

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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.