Home / 5,820.58-8,031.71-3,428.74

Finding the Fourth Proportional to 5,820.58, 8,031.71 and 3,428.74

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Solution

The fourth proportional to 5,820.58, 8,031.71 and 3,428.74 is: 4,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.58 : 8,031.71 = 3,428.74 : x
  2. Step 2: Convert to fraction form
    5,820.58/8,031.71 = 3,428.74/x
  3. Step 3: Cross multiply
    5,820.58x = 8,031.71 × 3,428.74
  4. Step 4: Simplify right side
    5,820.58x = 27,538,628.20
  5. Step 5: Solve for x
    x = 27,538,628.20/5,820.58
  6. Step 6: Final answer
    x = 4,731.25

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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.