Home / 2,959.28-4,083.38-1,700.40

Finding the Fourth Proportional to 2,959.28, 4,083.38 and 1,700.40

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Solution

The fourth proportional to 2,959.28, 4,083.38 and 1,700.40 is: 2,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.28 : 4,083.38 = 1,700.40 : x
  2. Step 2: Convert to fraction form
    2,959.28/4,083.38 = 1,700.40/x
  3. Step 3: Cross multiply
    2,959.28x = 4,083.38 × 1,700.40
  4. Step 4: Simplify right side
    2,959.28x = 6,943,392.54
  5. Step 5: Solve for x
    x = 6,943,392.54/2,959.28
  6. Step 6: Final answer
    x = 2,346.31

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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.