Home / 5,040.61-6,956.22-2,803.12

Finding the Fourth Proportional to 5,040.61, 6,956.22 and 2,803.12

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Solution

The fourth proportional to 5,040.61, 6,956.22 and 2,803.12 is: 3,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.61 : 6,956.22 = 2,803.12 : x
  2. Step 2: Convert to fraction form
    5,040.61/6,956.22 = 2,803.12/x
  3. Step 3: Cross multiply
    5,040.61x = 6,956.22 × 2,803.12
  4. Step 4: Simplify right side
    5,040.61x = 19,499,119.41
  5. Step 5: Solve for x
    x = 19,499,119.41/5,040.61
  6. Step 6: Final answer
    x = 3,868.40

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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.