Home / 1,752.31-2,422.80-1,674.85

Finding the Fourth Proportional to 1,752.31, 2,422.80 and 1,674.85

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Solution

The fourth proportional to 1,752.31, 2,422.80 and 1,674.85 is: 2,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.31 : 2,422.80 = 1,674.85 : x
  2. Step 2: Convert to fraction form
    1,752.31/2,422.80 = 1,674.85/x
  3. Step 3: Cross multiply
    1,752.31x = 2,422.80 × 1,674.85
  4. Step 4: Simplify right side
    1,752.31x = 4,057,826.58
  5. Step 5: Solve for x
    x = 4,057,826.58/1,752.31
  6. Step 6: Final answer
    x = 2,315.70

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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.