Home / 1,824.99-2,517.78-1,161.72

Finding the Fourth Proportional to 1,824.99, 2,517.78 and 1,161.72

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Solution

The fourth proportional to 1,824.99, 2,517.78 and 1,161.72 is: 1,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.99 : 2,517.78 = 1,161.72 : x
  2. Step 2: Convert to fraction form
    1,824.99/2,517.78 = 1,161.72/x
  3. Step 3: Cross multiply
    1,824.99x = 2,517.78 × 1,161.72
  4. Step 4: Simplify right side
    1,824.99x = 2,924,955.38
  5. Step 5: Solve for x
    x = 2,924,955.38/1,824.99
  6. Step 6: Final answer
    x = 1,602.72

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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.