Home / 3,711.80-5,124.78-2,368.17

Finding the Fourth Proportional to 3,711.80, 5,124.78 and 2,368.17

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Solution

The fourth proportional to 3,711.80, 5,124.78 and 2,368.17 is: 3,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.80 : 5,124.78 = 2,368.17 : x
  2. Step 2: Convert to fraction form
    3,711.80/5,124.78 = 2,368.17/x
  3. Step 3: Cross multiply
    3,711.80x = 5,124.78 × 2,368.17
  4. Step 4: Simplify right side
    3,711.80x = 12,136,350.25
  5. Step 5: Solve for x
    x = 12,136,350.25/3,711.80
  6. Step 6: Final answer
    x = 3,269.66

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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.