Home / 5,058.59-6,980.74-2,820.44

Finding the Fourth Proportional to 5,058.59, 6,980.74 and 2,820.44

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Solution

The fourth proportional to 5,058.59, 6,980.74 and 2,820.44 is: 3,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.59 : 6,980.74 = 2,820.44 : x
  2. Step 2: Convert to fraction form
    5,058.59/6,980.74 = 2,820.44/x
  3. Step 3: Cross multiply
    5,058.59x = 6,980.74 × 2,820.44
  4. Step 4: Simplify right side
    5,058.59x = 19,688,768.73
  5. Step 5: Solve for x
    x = 19,688,768.73/5,058.59
  6. Step 6: Final answer
    x = 3,892.15

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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.