Home / 4,818.36-6,654.06-4,115.64

Finding the Fourth Proportional to 4,818.36, 6,654.06 and 4,115.64

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Solution

The fourth proportional to 4,818.36, 6,654.06 and 4,115.64 is: 5,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.36 : 6,654.06 = 4,115.64 : x
  2. Step 2: Convert to fraction form
    4,818.36/6,654.06 = 4,115.64/x
  3. Step 3: Cross multiply
    4,818.36x = 6,654.06 × 4,115.64
  4. Step 4: Simplify right side
    4,818.36x = 27,385,715.50
  5. Step 5: Solve for x
    x = 27,385,715.50/4,818.36
  6. Step 6: Final answer
    x = 5,683.62

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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.