Home / 7,617.39-11,426.09-2,070.74

Finding the Fourth Proportional to 7,617.39, 11,426.09 and 2,070.74

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Solution

The fourth proportional to 7,617.39, 11,426.09 and 2,070.74 is: 3,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.39 : 11,426.09 = 2,070.74 : x
  2. Step 2: Convert to fraction form
    7,617.39/11,426.09 = 2,070.74/x
  3. Step 3: Cross multiply
    7,617.39x = 11,426.09 × 2,070.74
  4. Step 4: Simplify right side
    7,617.39x = 23,660,394.12
  5. Step 5: Solve for x
    x = 23,660,394.12/7,617.39
  6. Step 6: Final answer
    x = 3,106.10

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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.