Home / 5,570.40-8,357.68-2,648.16

Finding the Fourth Proportional to 5,570.40, 8,357.68 and 2,648.16

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Solution

The fourth proportional to 5,570.40, 8,357.68 and 2,648.16 is: 3,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.40 : 8,357.68 = 2,648.16 : x
  2. Step 2: Convert to fraction form
    5,570.40/8,357.68 = 2,648.16/x
  3. Step 3: Cross multiply
    5,570.40x = 8,357.68 × 2,648.16
  4. Step 4: Simplify right side
    5,570.40x = 22,132,473.87
  5. Step 5: Solve for x
    x = 22,132,473.87/5,570.40
  6. Step 6: Final answer
    x = 3,973.23

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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.