Home / 6,220.20-8,595.30-4,538.76

Finding the Fourth Proportional to 6,220.20, 8,595.30 and 4,538.76

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Solution

The fourth proportional to 6,220.20, 8,595.30 and 4,538.76 is: 6,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.20 : 8,595.30 = 4,538.76 : x
  2. Step 2: Convert to fraction form
    6,220.20/8,595.30 = 4,538.76/x
  3. Step 3: Cross multiply
    6,220.20x = 8,595.30 × 4,538.76
  4. Step 4: Simplify right side
    6,220.20x = 39,012,003.83
  5. Step 5: Solve for x
    x = 39,012,003.83/6,220.20
  6. Step 6: Final answer
    x = 6,271.82

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Half scale
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Double scale
Find fourth proportional to 6,221.20, 8,596.68 and 4,539.76
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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.