Home / 2,646.11-3,643.31-2,246.93

Finding the Fourth Proportional to 2,646.11, 3,643.31 and 2,246.93

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Solution

The fourth proportional to 2,646.11, 3,643.31 and 2,246.93 is: 3,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.11 : 3,643.31 = 2,246.93 : x
  2. Step 2: Convert to fraction form
    2,646.11/3,643.31 = 2,246.93/x
  3. Step 3: Cross multiply
    2,646.11x = 3,643.31 × 2,246.93
  4. Step 4: Simplify right side
    2,646.11x = 8,186,244.32
  5. Step 5: Solve for x
    x = 8,186,244.32/2,646.11
  6. Step 6: Final answer
    x = 3,093.70

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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.