Home / 5,112.64-7,624.20-5,065.92

Finding the Fourth Proportional to 5,112.64, 7,624.20 and 5,065.92

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Solution

The fourth proportional to 5,112.64, 7,624.20 and 5,065.92 is: 7,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.64 : 7,624.20 = 5,065.92 : x
  2. Step 2: Convert to fraction form
    5,112.64/7,624.20 = 5,065.92/x
  3. Step 3: Cross multiply
    5,112.64x = 7,624.20 × 5,065.92
  4. Step 4: Simplify right side
    5,112.64x = 38,623,587.26
  5. Step 5: Solve for x
    x = 38,623,587.26/5,112.64
  6. Step 6: Final answer
    x = 7,554.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.