Home / 5,043.49-6,959.85-2,805.32

Finding the Fourth Proportional to 5,043.49, 6,959.85 and 2,805.32

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Solution

The fourth proportional to 5,043.49, 6,959.85 and 2,805.32 is: 3,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.49 : 6,959.85 = 2,805.32 : x
  2. Step 2: Convert to fraction form
    5,043.49/6,959.85 = 2,805.32/x
  3. Step 3: Cross multiply
    5,043.49x = 6,959.85 × 2,805.32
  4. Step 4: Simplify right side
    5,043.49x = 19,524,606.40
  5. Step 5: Solve for x
    x = 19,524,606.40/5,043.49
  6. Step 6: Final answer
    x = 3,871.25

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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.