Home / 1,743.28-2,400.46-1,506.80

Finding the Fourth Proportional to 1,743.28, 2,400.46 and 1,506.80

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Solution

The fourth proportional to 1,743.28, 2,400.46 and 1,506.80 is: 2,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.28 : 2,400.46 = 1,506.80 : x
  2. Step 2: Convert to fraction form
    1,743.28/2,400.46 = 1,506.80/x
  3. Step 3: Cross multiply
    1,743.28x = 2,400.46 × 1,506.80
  4. Step 4: Simplify right side
    1,743.28x = 3,617,015.36
  5. Step 5: Solve for x
    x = 3,617,015.36/1,743.28
  6. Step 6: Final answer
    x = 2,074.84

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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.