Home / 5,681.08-7,837.71-4,192.55

Finding the Fourth Proportional to 5,681.08, 7,837.71 and 4,192.55

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Solution

The fourth proportional to 5,681.08, 7,837.71 and 4,192.55 is: 5,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.08 : 7,837.71 = 4,192.55 : x
  2. Step 2: Convert to fraction form
    5,681.08/7,837.71 = 4,192.55/x
  3. Step 3: Cross multiply
    5,681.08x = 7,837.71 × 4,192.55
  4. Step 4: Simplify right side
    5,681.08x = 32,859,991.06
  5. Step 5: Solve for x
    x = 32,859,991.06/5,681.08
  6. Step 6: Final answer
    x = 5,784.11

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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.