Home / 2,519.71-3,477.02-1,400.57

Finding the Fourth Proportional to 2,519.71, 3,477.02 and 1,400.57

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Solution

The fourth proportional to 2,519.71, 3,477.02 and 1,400.57 is: 1,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.71 : 3,477.02 = 1,400.57 : x
  2. Step 2: Convert to fraction form
    2,519.71/3,477.02 = 1,400.57/x
  3. Step 3: Cross multiply
    2,519.71x = 3,477.02 × 1,400.57
  4. Step 4: Simplify right side
    2,519.71x = 4,869,822.10
  5. Step 5: Solve for x
    x = 4,869,822.10/2,519.71
  6. Step 6: Final answer
    x = 1,932.69

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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.