Home / 4,058.92-6,090.12-1,980.76

Finding the Fourth Proportional to 4,058.92, 6,090.12 and 1,980.76

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Solution

The fourth proportional to 4,058.92, 6,090.12 and 1,980.76 is: 2,971.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,058.92 : 6,090.12 = 1,980.76 : x
  2. Step 2: Convert to fraction form
    4,058.92/6,090.12 = 1,980.76/x
  3. Step 3: Cross multiply
    4,058.92x = 6,090.12 × 1,980.76
  4. Step 4: Simplify right side
    4,058.92x = 12,063,066.09
  5. Step 5: Solve for x
    x = 12,063,066.09/4,058.92
  6. Step 6: Final answer
    x = 2,971.99

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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.