Home / 5,039.50-7,557.74-2,117.16

Finding the Fourth Proportional to 5,039.50, 7,557.74 and 2,117.16

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Solution

The fourth proportional to 5,039.50, 7,557.74 and 2,117.16 is: 3,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.50 : 7,557.74 = 2,117.16 : x
  2. Step 2: Convert to fraction form
    5,039.50/7,557.74 = 2,117.16/x
  3. Step 3: Cross multiply
    5,039.50x = 7,557.74 × 2,117.16
  4. Step 4: Simplify right side
    5,039.50x = 16,000,944.82
  5. Step 5: Solve for x
    x = 16,000,944.82/5,039.50
  6. Step 6: Final answer
    x = 3,175.11

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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.