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Finding the Fourth Proportional to 5,699.16, 7,868.40 and 4,370.31

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Solution

The fourth proportional to 5,699.16, 7,868.40 and 4,370.31 is: 6,033.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.16 : 7,868.40 = 4,370.31 : x
  2. Step 2: Convert to fraction form
    5,699.16/7,868.40 = 4,370.31/x
  3. Step 3: Cross multiply
    5,699.16x = 7,868.40 × 4,370.31
  4. Step 4: Simplify right side
    5,699.16x = 34,387,347.20
  5. Step 5: Solve for x
    x = 34,387,347.20/5,699.16
  6. Step 6: Final answer
    x = 6,033.76

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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.