Home / 2,296.55-3,162.65-2,155.82

Finding the Fourth Proportional to 2,296.55, 3,162.65 and 2,155.82

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Solution

The fourth proportional to 2,296.55, 3,162.65 and 2,155.82 is: 2,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.55 : 3,162.65 = 2,155.82 : x
  2. Step 2: Convert to fraction form
    2,296.55/3,162.65 = 2,155.82/x
  3. Step 3: Cross multiply
    2,296.55x = 3,162.65 × 2,155.82
  4. Step 4: Simplify right side
    2,296.55x = 6,818,077.53
  5. Step 5: Solve for x
    x = 6,818,077.53/2,296.55
  6. Step 6: Final answer
    x = 2,968.83

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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.