Home / 2,943.09-4,059.76-1,763.47

Finding the Fourth Proportional to 2,943.09, 4,059.76 and 1,763.47

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Solution

The fourth proportional to 2,943.09, 4,059.76 and 1,763.47 is: 2,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.09 : 4,059.76 = 1,763.47 : x
  2. Step 2: Convert to fraction form
    2,943.09/4,059.76 = 1,763.47/x
  3. Step 3: Cross multiply
    2,943.09x = 4,059.76 × 1,763.47
  4. Step 4: Simplify right side
    2,943.09x = 7,159,275.12
  5. Step 5: Solve for x
    x = 7,159,275.12/2,943.09
  6. Step 6: Final answer
    x = 2,432.57

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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.