Home / 2,713.13-3,742.72-1,716.70

Finding the Fourth Proportional to 2,713.13, 3,742.72 and 1,716.70

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Solution

The fourth proportional to 2,713.13, 3,742.72 and 1,716.70 is: 2,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.13 : 3,742.72 = 1,716.70 : x
  2. Step 2: Convert to fraction form
    2,713.13/3,742.72 = 1,716.70/x
  3. Step 3: Cross multiply
    2,713.13x = 3,742.72 × 1,716.70
  4. Step 4: Simplify right side
    2,713.13x = 6,425,113.78
  5. Step 5: Solve for x
    x = 6,425,113.78/2,713.13
  6. Step 6: Final answer
    x = 2,368.15

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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.