Home / 2,033.40-2,805.90-1,247.32

Finding the Fourth Proportional to 2,033.40, 2,805.90 and 1,247.32

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Solution

The fourth proportional to 2,033.40, 2,805.90 and 1,247.32 is: 1,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.40 : 2,805.90 = 1,247.32 : x
  2. Step 2: Convert to fraction form
    2,033.40/2,805.90 = 1,247.32/x
  3. Step 3: Cross multiply
    2,033.40x = 2,805.90 × 1,247.32
  4. Step 4: Simplify right side
    2,033.40x = 3,499,855.19
  5. Step 5: Solve for x
    x = 3,499,855.19/2,033.40
  6. Step 6: Final answer
    x = 1,721.18

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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.