Home / 5,618.81-8,385.50-4,996.06

Finding the Fourth Proportional to 5,618.81, 8,385.50 and 4,996.06

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Solution

The fourth proportional to 5,618.81, 8,385.50 and 4,996.06 is: 7,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.81 : 8,385.50 = 4,996.06 : x
  2. Step 2: Convert to fraction form
    5,618.81/8,385.50 = 4,996.06/x
  3. Step 3: Cross multiply
    5,618.81x = 8,385.50 × 4,996.06
  4. Step 4: Simplify right side
    5,618.81x = 41,894,415.19
  5. Step 5: Solve for x
    x = 41,894,415.19/5,618.81
  6. Step 6: Final answer
    x = 7,456.10

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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.