Home / 4,271.13-6,407.91-3,177.63

Finding the Fourth Proportional to 4,271.13, 6,407.91 and 3,177.63

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Solution

The fourth proportional to 4,271.13, 6,407.91 and 3,177.63 is: 4,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.13 : 6,407.91 = 3,177.63 : x
  2. Step 2: Convert to fraction form
    4,271.13/6,407.91 = 3,177.63/x
  3. Step 3: Cross multiply
    4,271.13x = 6,407.91 × 3,177.63
  4. Step 4: Simplify right side
    4,271.13x = 20,361,967.05
  5. Step 5: Solve for x
    x = 20,361,967.05/4,271.13
  6. Step 6: Final answer
    x = 4,767.35

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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.