Home / 6,140.66-8,477.14-4,253.68

Finding the Fourth Proportional to 6,140.66, 8,477.14 and 4,253.68

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Solution

The fourth proportional to 6,140.66, 8,477.14 and 4,253.68 is: 5,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.66 : 8,477.14 = 4,253.68 : x
  2. Step 2: Convert to fraction form
    6,140.66/8,477.14 = 4,253.68/x
  3. Step 3: Cross multiply
    6,140.66x = 8,477.14 × 4,253.68
  4. Step 4: Simplify right side
    6,140.66x = 36,059,040.88
  5. Step 5: Solve for x
    x = 36,059,040.88/6,140.66
  6. Step 6: Final answer
    x = 5,872.18

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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.