Home / 2,400.88-3,312.36-1,352.68

Finding the Fourth Proportional to 2,400.88, 3,312.36 and 1,352.68

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Solution

The fourth proportional to 2,400.88, 3,312.36 and 1,352.68 is: 1,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.88 : 3,312.36 = 1,352.68 : x
  2. Step 2: Convert to fraction form
    2,400.88/3,312.36 = 1,352.68/x
  3. Step 3: Cross multiply
    2,400.88x = 3,312.36 × 1,352.68
  4. Step 4: Simplify right side
    2,400.88x = 4,480,563.12
  5. Step 5: Solve for x
    x = 4,480,563.12/2,400.88
  6. Step 6: Final answer
    x = 1,866.22

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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.