Home / 4,751.20-6,557.21-3,953.11

Finding the Fourth Proportional to 4,751.20, 6,557.21 and 3,953.11

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Solution

The fourth proportional to 4,751.20, 6,557.21 and 3,953.11 is: 5,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.20 : 6,557.21 = 3,953.11 : x
  2. Step 2: Convert to fraction form
    4,751.20/6,557.21 = 3,953.11/x
  3. Step 3: Cross multiply
    4,751.20x = 6,557.21 × 3,953.11
  4. Step 4: Simplify right side
    4,751.20x = 25,921,352.66
  5. Step 5: Solve for x
    x = 25,921,352.66/4,751.20
  6. Step 6: Final answer
    x = 5,455.75

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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.