Home / 3,159.33-4,357.53-2,319.77

Finding the Fourth Proportional to 3,159.33, 4,357.53 and 2,319.77

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Solution

The fourth proportional to 3,159.33, 4,357.53 and 2,319.77 is: 3,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.33 : 4,357.53 = 2,319.77 : x
  2. Step 2: Convert to fraction form
    3,159.33/4,357.53 = 2,319.77/x
  3. Step 3: Cross multiply
    3,159.33x = 4,357.53 × 2,319.77
  4. Step 4: Simplify right side
    3,159.33x = 10,108,455.77
  5. Step 5: Solve for x
    x = 10,108,455.77/3,159.33
  6. Step 6: Final answer
    x = 3,199.56

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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.