Home / 5,055.48-6,976.99-2,817.05

Finding the Fourth Proportional to 5,055.48, 6,976.99 and 2,817.05

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Solution

The fourth proportional to 5,055.48, 6,976.99 and 2,817.05 is: 3,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.48 : 6,976.99 = 2,817.05 : x
  2. Step 2: Convert to fraction form
    5,055.48/6,976.99 = 2,817.05/x
  3. Step 3: Cross multiply
    5,055.48x = 6,976.99 × 2,817.05
  4. Step 4: Simplify right side
    5,055.48x = 19,654,541.34
  5. Step 5: Solve for x
    x = 19,654,541.34/5,055.48
  6. Step 6: Final answer
    x = 3,887.77

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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.