Home / 1,885.16-2,600.75-1,186.13

Finding the Fourth Proportional to 1,885.16, 2,600.75 and 1,186.13

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Solution

The fourth proportional to 1,885.16, 2,600.75 and 1,186.13 is: 1,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.16 : 2,600.75 = 1,186.13 : x
  2. Step 2: Convert to fraction form
    1,885.16/2,600.75 = 1,186.13/x
  3. Step 3: Cross multiply
    1,885.16x = 2,600.75 × 1,186.13
  4. Step 4: Simplify right side
    1,885.16x = 3,084,808.66
  5. Step 5: Solve for x
    x = 3,084,808.66/1,885.16
  6. Step 6: Final answer
    x = 1,636.37

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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.