Home / 4,101.18-6,126.78-2,684.18

Finding the Fourth Proportional to 4,101.18, 6,126.78 and 2,684.18

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Solution

The fourth proportional to 4,101.18, 6,126.78 and 2,684.18 is: 4,009.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.18 : 6,126.78 = 2,684.18 : x
  2. Step 2: Convert to fraction form
    4,101.18/6,126.78 = 2,684.18/x
  3. Step 3: Cross multiply
    4,101.18x = 6,126.78 × 2,684.18
  4. Step 4: Simplify right side
    4,101.18x = 16,445,349.71
  5. Step 5: Solve for x
    x = 16,445,349.71/4,101.18
  6. Step 6: Final answer
    x = 4,009.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.