Home / 3,176.17-4,764.29-1,421.26

Finding the Fourth Proportional to 3,176.17, 4,764.29 and 1,421.26

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Solution

The fourth proportional to 3,176.17, 4,764.29 and 1,421.26 is: 2,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.17 : 4,764.29 = 1,421.26 : x
  2. Step 2: Convert to fraction form
    3,176.17/4,764.29 = 1,421.26/x
  3. Step 3: Cross multiply
    3,176.17x = 4,764.29 × 1,421.26
  4. Step 4: Simplify right side
    3,176.17x = 6,771,294.81
  5. Step 5: Solve for x
    x = 6,771,294.81/3,176.17
  6. Step 6: Final answer
    x = 2,131.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.