Home / 5,116.74-7,058.80-3,126.92

Finding the Fourth Proportional to 5,116.74, 7,058.80 and 3,126.92

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Solution

The fourth proportional to 5,116.74, 7,058.80 and 3,126.92 is: 4,313.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.74 : 7,058.80 = 3,126.92 : x
  2. Step 2: Convert to fraction form
    5,116.74/7,058.80 = 3,126.92/x
  3. Step 3: Cross multiply
    5,116.74x = 7,058.80 × 3,126.92
  4. Step 4: Simplify right side
    5,116.74x = 22,072,328.36
  5. Step 5: Solve for x
    x = 22,072,328.36/5,116.74
  6. Step 6: Final answer
    x = 4,313.75

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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.