Home / 2,914.35-4,012.52-2,715.63

Finding the Fourth Proportional to 2,914.35, 4,012.52 and 2,715.63

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Solution

The fourth proportional to 2,914.35, 4,012.52 and 2,715.63 is: 3,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.35 : 4,012.52 = 2,715.63 : x
  2. Step 2: Convert to fraction form
    2,914.35/4,012.52 = 2,715.63/x
  3. Step 3: Cross multiply
    2,914.35x = 4,012.52 × 2,715.63
  4. Step 4: Simplify right side
    2,914.35x = 10,896,506.11
  5. Step 5: Solve for x
    x = 10,896,506.11/2,914.35
  6. Step 6: Final answer
    x = 3,738.91

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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.