Home / 5,918.65-8,177.56-4,669.22

Finding the Fourth Proportional to 5,918.65, 8,177.56 and 4,669.22

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Solution

The fourth proportional to 5,918.65, 8,177.56 and 4,669.22 is: 6,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.65 : 8,177.56 = 4,669.22 : x
  2. Step 2: Convert to fraction form
    5,918.65/8,177.56 = 4,669.22/x
  3. Step 3: Cross multiply
    5,918.65x = 8,177.56 × 4,669.22
  4. Step 4: Simplify right side
    5,918.65x = 38,182,835.47
  5. Step 5: Solve for x
    x = 38,182,835.47/5,918.65
  6. Step 6: Final answer
    x = 6,451.28

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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.