Home / 3,124.51-4,677.65-2,706.75

Finding the Fourth Proportional to 3,124.51, 4,677.65 and 2,706.75

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Solution

The fourth proportional to 3,124.51, 4,677.65 and 2,706.75 is: 4,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.51 : 4,677.65 = 2,706.75 : x
  2. Step 2: Convert to fraction form
    3,124.51/4,677.65 = 2,706.75/x
  3. Step 3: Cross multiply
    3,124.51x = 4,677.65 × 2,706.75
  4. Step 4: Simplify right side
    3,124.51x = 12,661,225.75
  5. Step 5: Solve for x
    x = 12,661,225.75/3,124.51
  6. Step 6: Final answer
    x = 4,052.23

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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.