Home / 2,479.11-3,421.76-1,595.81

Finding the Fourth Proportional to 2,479.11, 3,421.76 and 1,595.81

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Solution

The fourth proportional to 2,479.11, 3,421.76 and 1,595.81 is: 2,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.11 : 3,421.76 = 1,595.81 : x
  2. Step 2: Convert to fraction form
    2,479.11/3,421.76 = 1,595.81/x
  3. Step 3: Cross multiply
    2,479.11x = 3,421.76 × 1,595.81
  4. Step 4: Simplify right side
    2,479.11x = 5,460,453.74
  5. Step 5: Solve for x
    x = 5,460,453.74/2,479.11
  6. Step 6: Final answer
    x = 2,202.59

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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.