Home / 7,731.74-11,587.28-4,026.20

Finding the Fourth Proportional to 7,731.74, 11,587.28 and 4,026.20

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Solution

The fourth proportional to 7,731.74, 11,587.28 and 4,026.20 is: 6,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.74 : 11,587.28 = 4,026.20 : x
  2. Step 2: Convert to fraction form
    7,731.74/11,587.28 = 4,026.20/x
  3. Step 3: Cross multiply
    7,731.74x = 11,587.28 × 4,026.20
  4. Step 4: Simplify right side
    7,731.74x = 46,652,628.67
  5. Step 5: Solve for x
    x = 46,652,628.67/7,731.74
  6. Step 6: Final answer
    x = 6,033.91

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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.