Home / 5,870.20-8,101.02-3,217.60

Finding the Fourth Proportional to 5,870.20, 8,101.02 and 3,217.60

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Solution

The fourth proportional to 5,870.20, 8,101.02 and 3,217.60 is: 4,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.20 : 8,101.02 = 3,217.60 : x
  2. Step 2: Convert to fraction form
    5,870.20/8,101.02 = 3,217.60/x
  3. Step 3: Cross multiply
    5,870.20x = 8,101.02 × 3,217.60
  4. Step 4: Simplify right side
    5,870.20x = 26,065,841.95
  5. Step 5: Solve for x
    x = 26,065,841.95/5,870.20
  6. Step 6: Final answer
    x = 4,440.37

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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.