Home / 4,381.76-6,562.98-3,151.58

Finding the Fourth Proportional to 4,381.76, 6,562.98 and 3,151.58

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Solution

The fourth proportional to 4,381.76, 6,562.98 and 3,151.58 is: 4,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.76 : 6,562.98 = 3,151.58 : x
  2. Step 2: Convert to fraction form
    4,381.76/6,562.98 = 3,151.58/x
  3. Step 3: Cross multiply
    4,381.76x = 6,562.98 × 3,151.58
  4. Step 4: Simplify right side
    4,381.76x = 20,683,756.51
  5. Step 5: Solve for x
    x = 20,683,756.51/4,381.76
  6. Step 6: Final answer
    x = 4,720.42

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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.