Home / 6,281.60-8,670.17-3,630.67

Finding the Fourth Proportional to 6,281.60, 8,670.17 and 3,630.67

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Solution

The fourth proportional to 6,281.60, 8,670.17 and 3,630.67 is: 5,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.60 : 8,670.17 = 3,630.67 : x
  2. Step 2: Convert to fraction form
    6,281.60/8,670.17 = 3,630.67/x
  3. Step 3: Cross multiply
    6,281.60x = 8,670.17 × 3,630.67
  4. Step 4: Simplify right side
    6,281.60x = 31,478,513.52
  5. Step 5: Solve for x
    x = 31,478,513.52/6,281.60
  6. Step 6: Final answer
    x = 5,011.23

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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.