Home / 2,926.10-4,034.48-1,931.06

Finding the Fourth Proportional to 2,926.10, 4,034.48 and 1,931.06

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Solution

The fourth proportional to 2,926.10, 4,034.48 and 1,931.06 is: 2,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.10 : 4,034.48 = 1,931.06 : x
  2. Step 2: Convert to fraction form
    2,926.10/4,034.48 = 1,931.06/x
  3. Step 3: Cross multiply
    2,926.10x = 4,034.48 × 1,931.06
  4. Step 4: Simplify right side
    2,926.10x = 7,790,822.95
  5. Step 5: Solve for x
    x = 7,790,822.95/2,926.10
  6. Step 6: Final answer
    x = 2,662.53

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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.