Home / 5,125.12-7,073.04-3,030.88

Finding the Fourth Proportional to 5,125.12, 7,073.04 and 3,030.88

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Solution

The fourth proportional to 5,125.12, 7,073.04 and 3,030.88 is: 4,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.12 : 7,073.04 = 3,030.88 : x
  2. Step 2: Convert to fraction form
    5,125.12/7,073.04 = 3,030.88/x
  3. Step 3: Cross multiply
    5,125.12x = 7,073.04 × 3,030.88
  4. Step 4: Simplify right side
    5,125.12x = 21,437,535.48
  5. Step 5: Solve for x
    x = 21,437,535.48/5,125.12
  6. Step 6: Final answer
    x = 4,182.84

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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.