Home / 1,906.02-2,613.51-1,718.76

Finding the Fourth Proportional to 1,906.02, 2,613.51 and 1,718.76

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Solution

The fourth proportional to 1,906.02, 2,613.51 and 1,718.76 is: 2,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.02 : 2,613.51 = 1,718.76 : x
  2. Step 2: Convert to fraction form
    1,906.02/2,613.51 = 1,718.76/x
  3. Step 3: Cross multiply
    1,906.02x = 2,613.51 × 1,718.76
  4. Step 4: Simplify right side
    1,906.02x = 4,491,996.45
  5. Step 5: Solve for x
    x = 4,491,996.45/1,906.02
  6. Step 6: Final answer
    x = 2,356.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.