Home / 6,100.20-8,417.88-3,447

Finding the Fourth Proportional to 6,100.20, 8,417.88 and 3,447

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Solution

The fourth proportional to 6,100.20, 8,417.88 and 3,447 is: 4,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,100.20 : 8,417.88 = 3,447 : x
  2. Step 2: Convert to fraction form
    6,100.20/8,417.88 = 3,447/x
  3. Step 3: Cross multiply
    6,100.20x = 8,417.88 × 3,447
  4. Step 4: Simplify right side
    6,100.20x = 29,016,432.36
  5. Step 5: Solve for x
    x = 29,016,432.36/6,100.20
  6. Step 6: Final answer
    x = 4,756.64

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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.