Home / 2,186.55-3,020.16-1,588.11

Finding the Fourth Proportional to 2,186.55, 3,020.16 and 1,588.11

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Solution

The fourth proportional to 2,186.55, 3,020.16 and 1,588.11 is: 2,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.55 : 3,020.16 = 1,588.11 : x
  2. Step 2: Convert to fraction form
    2,186.55/3,020.16 = 1,588.11/x
  3. Step 3: Cross multiply
    2,186.55x = 3,020.16 × 1,588.11
  4. Step 4: Simplify right side
    2,186.55x = 4,796,346.30
  5. Step 5: Solve for x
    x = 4,796,346.30/2,186.55
  6. Step 6: Final answer
    x = 2,193.57

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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.