Home / 3,031.02-4,543.92-2,515.32

Finding the Fourth Proportional to 3,031.02, 4,543.92 and 2,515.32

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Solution

The fourth proportional to 3,031.02, 4,543.92 and 2,515.32 is: 3,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.02 : 4,543.92 = 2,515.32 : x
  2. Step 2: Convert to fraction form
    3,031.02/4,543.92 = 2,515.32/x
  3. Step 3: Cross multiply
    3,031.02x = 4,543.92 × 2,515.32
  4. Step 4: Simplify right side
    3,031.02x = 11,429,412.85
  5. Step 5: Solve for x
    x = 11,429,412.85/3,031.02
  6. Step 6: Final answer
    x = 3,770.81

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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.