Home / 2,207.16-3,312.50-1,168.28

Finding the Fourth Proportional to 2,207.16, 3,312.50 and 1,168.28

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Solution

The fourth proportional to 2,207.16, 3,312.50 and 1,168.28 is: 1,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.16 : 3,312.50 = 1,168.28 : x
  2. Step 2: Convert to fraction form
    2,207.16/3,312.50 = 1,168.28/x
  3. Step 3: Cross multiply
    2,207.16x = 3,312.50 × 1,168.28
  4. Step 4: Simplify right side
    2,207.16x = 3,869,927.50
  5. Step 5: Solve for x
    x = 3,869,927.50/2,207.16
  6. Step 6: Final answer
    x = 1,753.35

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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.