Home / 5,461.12-7,536.12-2,977.12

Finding the Fourth Proportional to 5,461.12, 7,536.12 and 2,977.12

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Solution

The fourth proportional to 5,461.12, 7,536.12 and 2,977.12 is: 4,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.12 : 7,536.12 = 2,977.12 : x
  2. Step 2: Convert to fraction form
    5,461.12/7,536.12 = 2,977.12/x
  3. Step 3: Cross multiply
    5,461.12x = 7,536.12 × 2,977.12
  4. Step 4: Simplify right side
    5,461.12x = 22,435,933.57
  5. Step 5: Solve for x
    x = 22,435,933.57/5,461.12
  6. Step 6: Final answer
    x = 4,108.30

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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.