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Finding the Fourth Proportional to 6,364.16, 8,779.15 and 3,710.60

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Solution

The fourth proportional to 6,364.16, 8,779.15 and 3,710.60 is: 5,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.16 : 8,779.15 = 3,710.60 : x
  2. Step 2: Convert to fraction form
    6,364.16/8,779.15 = 3,710.60/x
  3. Step 3: Cross multiply
    6,364.16x = 8,779.15 × 3,710.60
  4. Step 4: Simplify right side
    6,364.16x = 32,575,913.99
  5. Step 5: Solve for x
    x = 32,575,913.99/6,364.16
  6. Step 6: Final answer
    x = 5,118.65

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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.