Home / 5,440.84-8,156.80-1,740.76

Finding the Fourth Proportional to 5,440.84, 8,156.80 and 1,740.76

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Solution

The fourth proportional to 5,440.84, 8,156.80 and 1,740.76 is: 2,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.84 : 8,156.80 = 1,740.76 : x
  2. Step 2: Convert to fraction form
    5,440.84/8,156.80 = 1,740.76/x
  3. Step 3: Cross multiply
    5,440.84x = 8,156.80 × 1,740.76
  4. Step 4: Simplify right side
    5,440.84x = 14,199,031.17
  5. Step 5: Solve for x
    x = 14,199,031.17/5,440.84
  6. Step 6: Final answer
    x = 2,609.71

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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.