Home / 1,962.12-2,710.62-1,545.24

Finding the Fourth Proportional to 1,962.12, 2,710.62 and 1,545.24

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Solution

The fourth proportional to 1,962.12, 2,710.62 and 1,545.24 is: 2,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.12 : 2,710.62 = 1,545.24 : x
  2. Step 2: Convert to fraction form
    1,962.12/2,710.62 = 1,545.24/x
  3. Step 3: Cross multiply
    1,962.12x = 2,710.62 × 1,545.24
  4. Step 4: Simplify right side
    1,962.12x = 4,188,558.45
  5. Step 5: Solve for x
    x = 4,188,558.45/1,962.12
  6. Step 6: Final answer
    x = 2,134.71

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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.