Home / 5,611.49-8,417.37-2,686.58

Finding the Fourth Proportional to 5,611.49, 8,417.37 and 2,686.58

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Solution

The fourth proportional to 5,611.49, 8,417.37 and 2,686.58 is: 4,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.49 : 8,417.37 = 2,686.58 : x
  2. Step 2: Convert to fraction form
    5,611.49/8,417.37 = 2,686.58/x
  3. Step 3: Cross multiply
    5,611.49x = 8,417.37 × 2,686.58
  4. Step 4: Simplify right side
    5,611.49x = 22,613,937.89
  5. Step 5: Solve for x
    x = 22,613,937.89/5,611.49
  6. Step 6: Final answer
    x = 4,029.93

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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.