Home / 2,077.62-3,118.08-1,037.58

Finding the Fourth Proportional to 2,077.62, 3,118.08 and 1,037.58

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Solution

The fourth proportional to 2,077.62, 3,118.08 and 1,037.58 is: 1,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.62 : 3,118.08 = 1,037.58 : x
  2. Step 2: Convert to fraction form
    2,077.62/3,118.08 = 1,037.58/x
  3. Step 3: Cross multiply
    2,077.62x = 3,118.08 × 1,037.58
  4. Step 4: Simplify right side
    2,077.62x = 3,235,257.45
  5. Step 5: Solve for x
    x = 3,235,257.45/2,077.62
  6. Step 6: Final answer
    x = 1,557.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.