Home / 3,124.67-4,312.17-1,798.37

Finding the Fourth Proportional to 3,124.67, 4,312.17 and 1,798.37

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Solution

The fourth proportional to 3,124.67, 4,312.17 and 1,798.37 is: 2,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.67 : 4,312.17 = 1,798.37 : x
  2. Step 2: Convert to fraction form
    3,124.67/4,312.17 = 1,798.37/x
  3. Step 3: Cross multiply
    3,124.67x = 4,312.17 × 1,798.37
  4. Step 4: Simplify right side
    3,124.67x = 7,754,868.17
  5. Step 5: Solve for x
    x = 7,754,868.17/3,124.67
  6. Step 6: Final answer
    x = 2,481.82

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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.