Home / 4,509.12-6,758.88-2,661.10

Finding the Fourth Proportional to 4,509.12, 6,758.88 and 2,661.10

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Solution

The fourth proportional to 4,509.12, 6,758.88 and 2,661.10 is: 3,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.12 : 6,758.88 = 2,661.10 : x
  2. Step 2: Convert to fraction form
    4,509.12/6,758.88 = 2,661.10/x
  3. Step 3: Cross multiply
    4,509.12x = 6,758.88 × 2,661.10
  4. Step 4: Simplify right side
    4,509.12x = 17,986,055.57
  5. Step 5: Solve for x
    x = 17,986,055.57/4,509.12
  6. Step 6: Final answer
    x = 3,988.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.