Home / 3,457.16-5,186.75-1,117.11

Finding the Fourth Proportional to 3,457.16, 5,186.75 and 1,117.11

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Solution

The fourth proportional to 3,457.16, 5,186.75 and 1,117.11 is: 1,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.16 : 5,186.75 = 1,117.11 : x
  2. Step 2: Convert to fraction form
    3,457.16/5,186.75 = 1,117.11/x
  3. Step 3: Cross multiply
    3,457.16x = 5,186.75 × 1,117.11
  4. Step 4: Simplify right side
    3,457.16x = 5,794,170.29
  5. Step 5: Solve for x
    x = 5,794,170.29/3,457.16
  6. Step 6: Final answer
    x = 1,675.99

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1.5x scale

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.