Home / 5,705.17-8,561.85-2,419.18

Finding the Fourth Proportional to 5,705.17, 8,561.85 and 2,419.18

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Solution

The fourth proportional to 5,705.17, 8,561.85 and 2,419.18 is: 3,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.17 : 8,561.85 = 2,419.18 : x
  2. Step 2: Convert to fraction form
    5,705.17/8,561.85 = 2,419.18/x
  3. Step 3: Cross multiply
    5,705.17x = 8,561.85 × 2,419.18
  4. Step 4: Simplify right side
    5,705.17x = 20,712,656.28
  5. Step 5: Solve for x
    x = 20,712,656.28/5,705.17
  6. Step 6: Final answer
    x = 3,630.51

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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.