Home / 2,515.32-3,473.28-2,074.68

Finding the Fourth Proportional to 2,515.32, 3,473.28 and 2,074.68

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Solution

The fourth proportional to 2,515.32, 3,473.28 and 2,074.68 is: 2,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.32 : 3,473.28 = 2,074.68 : x
  2. Step 2: Convert to fraction form
    2,515.32/3,473.28 = 2,074.68/x
  3. Step 3: Cross multiply
    2,515.32x = 3,473.28 × 2,074.68
  4. Step 4: Simplify right side
    2,515.32x = 7,205,944.55
  5. Step 5: Solve for x
    x = 7,205,944.55/2,515.32
  6. Step 6: Final answer
    x = 2,864.82

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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.