Home / 5,158.13-7,120.06-3,062.25

Finding the Fourth Proportional to 5,158.13, 7,120.06 and 3,062.25

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Solution

The fourth proportional to 5,158.13, 7,120.06 and 3,062.25 is: 4,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.13 : 7,120.06 = 3,062.25 : x
  2. Step 2: Convert to fraction form
    5,158.13/7,120.06 = 3,062.25/x
  3. Step 3: Cross multiply
    5,158.13x = 7,120.06 × 3,062.25
  4. Step 4: Simplify right side
    5,158.13x = 21,803,396.08
  5. Step 5: Solve for x
    x = 21,803,396.08/5,158.13
  6. Step 6: Final answer
    x = 4,227.00

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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.