Home / 5,055.18-6,976.08-2,816.88

Finding the Fourth Proportional to 5,055.18, 6,976.08 and 2,816.88

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Solution

The fourth proportional to 5,055.18, 6,976.08 and 2,816.88 is: 3,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.18 : 6,976.08 = 2,816.88 : x
  2. Step 2: Convert to fraction form
    5,055.18/6,976.08 = 2,816.88/x
  3. Step 3: Cross multiply
    5,055.18x = 6,976.08 × 2,816.88
  4. Step 4: Simplify right side
    5,055.18x = 19,650,780.23
  5. Step 5: Solve for x
    x = 19,650,780.23/5,055.18
  6. Step 6: Final answer
    x = 3,887.26

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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.