Home / 2,790.16-3,841.64-2,369.64

Finding the Fourth Proportional to 2,790.16, 3,841.64 and 2,369.64

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Solution

The fourth proportional to 2,790.16, 3,841.64 and 2,369.64 is: 3,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.16 : 3,841.64 = 2,369.64 : x
  2. Step 2: Convert to fraction form
    2,790.16/3,841.64 = 2,369.64/x
  3. Step 3: Cross multiply
    2,790.16x = 3,841.64 × 2,369.64
  4. Step 4: Simplify right side
    2,790.16x = 9,103,303.81
  5. Step 5: Solve for x
    x = 9,103,303.81/2,790.16
  6. Step 6: Final answer
    x = 3,262.65

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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.