Home / 3,159.51-4,357.49-2,372.19

Finding the Fourth Proportional to 3,159.51, 4,357.49 and 2,372.19

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Solution

The fourth proportional to 3,159.51, 4,357.49 and 2,372.19 is: 3,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.51 : 4,357.49 = 2,372.19 : x
  2. Step 2: Convert to fraction form
    3,159.51/4,357.49 = 2,372.19/x
  3. Step 3: Cross multiply
    3,159.51x = 4,357.49 × 2,372.19
  4. Step 4: Simplify right side
    3,159.51x = 10,336,794.20
  5. Step 5: Solve for x
    x = 10,336,794.20/3,159.51
  6. Step 6: Final answer
    x = 3,271.64

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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.