Home / 4,120.51-5,686.55-2,352.69

Finding the Fourth Proportional to 4,120.51, 5,686.55 and 2,352.69

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Solution

The fourth proportional to 4,120.51, 5,686.55 and 2,352.69 is: 3,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.51 : 5,686.55 = 2,352.69 : x
  2. Step 2: Convert to fraction form
    4,120.51/5,686.55 = 2,352.69/x
  3. Step 3: Cross multiply
    4,120.51x = 5,686.55 × 2,352.69
  4. Step 4: Simplify right side
    4,120.51x = 13,378,689.32
  5. Step 5: Solve for x
    x = 13,378,689.32/4,120.51
  6. Step 6: Final answer
    x = 3,246.85

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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.