Home / 5,401.95-8,102.70-1,706.84

Finding the Fourth Proportional to 5,401.95, 8,102.70 and 1,706.84

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Solution

The fourth proportional to 5,401.95, 8,102.70 and 1,706.84 is: 2,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.95 : 8,102.70 = 1,706.84 : x
  2. Step 2: Convert to fraction form
    5,401.95/8,102.70 = 1,706.84/x
  3. Step 3: Cross multiply
    5,401.95x = 8,102.70 × 1,706.84
  4. Step 4: Simplify right side
    5,401.95x = 13,829,971.95
  5. Step 5: Solve for x
    x = 13,829,971.95/5,401.95
  6. Step 6: Final answer
    x = 2,560.18

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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.