Home / 5,410.74-8,116.93-1,711.74

Finding the Fourth Proportional to 5,410.74, 8,116.93 and 1,711.74

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Solution

The fourth proportional to 5,410.74, 8,116.93 and 1,711.74 is: 2,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.74 : 8,116.93 = 1,711.74 : x
  2. Step 2: Convert to fraction form
    5,410.74/8,116.93 = 1,711.74/x
  3. Step 3: Cross multiply
    5,410.74x = 8,116.93 × 1,711.74
  4. Step 4: Simplify right side
    5,410.74x = 13,894,073.76
  5. Step 5: Solve for x
    x = 13,894,073.76/5,410.74
  6. Step 6: Final answer
    x = 2,567.87

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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.