Home / 5,058.41-6,980.90-2,820.27

Finding the Fourth Proportional to 5,058.41, 6,980.90 and 2,820.27

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Solution

The fourth proportional to 5,058.41, 6,980.90 and 2,820.27 is: 3,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.41 : 6,980.90 = 2,820.27 : x
  2. Step 2: Convert to fraction form
    5,058.41/6,980.90 = 2,820.27/x
  3. Step 3: Cross multiply
    5,058.41x = 6,980.90 × 2,820.27
  4. Step 4: Simplify right side
    5,058.41x = 19,688,056.07
  5. Step 5: Solve for x
    x = 19,688,056.07/5,058.41
  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.