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Finding the Fourth Proportional to 5,987.70, 8,970.60 and 4,340.16

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Solution

The fourth proportional to 5,987.70, 8,970.60 and 4,340.16 is: 6,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.70 : 8,970.60 = 4,340.16 : x
  2. Step 2: Convert to fraction form
    5,987.70/8,970.60 = 4,340.16/x
  3. Step 3: Cross multiply
    5,987.70x = 8,970.60 × 4,340.16
  4. Step 4: Simplify right side
    5,987.70x = 38,933,855.57
  5. Step 5: Solve for x
    x = 38,933,855.57/5,987.70
  6. Step 6: Final answer
    x = 6,502.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.