Home / 5,125.16-7,680.48-2,043.56

Finding the Fourth Proportional to 5,125.16, 7,680.48 and 2,043.56

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Solution

The fourth proportional to 5,125.16, 7,680.48 and 2,043.56 is: 3,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.16 : 7,680.48 = 2,043.56 : x
  2. Step 2: Convert to fraction form
    5,125.16/7,680.48 = 2,043.56/x
  3. Step 3: Cross multiply
    5,125.16x = 7,680.48 × 2,043.56
  4. Step 4: Simplify right side
    5,125.16x = 15,695,521.71
  5. Step 5: Solve for x
    x = 15,695,521.71/5,125.16
  6. Step 6: Final answer
    x = 3,062.45

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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.