Home / 5,870.85-8,101.41-3,217.75

Finding the Fourth Proportional to 5,870.85, 8,101.41 and 3,217.75

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Solution

The fourth proportional to 5,870.85, 8,101.41 and 3,217.75 is: 4,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.85 : 8,101.41 = 3,217.75 : x
  2. Step 2: Convert to fraction form
    5,870.85/8,101.41 = 3,217.75/x
  3. Step 3: Cross multiply
    5,870.85x = 8,101.41 × 3,217.75
  4. Step 4: Simplify right side
    5,870.85x = 26,068,312.03
  5. Step 5: Solve for x
    x = 26,068,312.03/5,870.85
  6. Step 6: Final answer
    x = 4,440.30

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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.