Home / 3,117.35-4,307.42-2,493.03

Finding the Fourth Proportional to 3,117.35, 4,307.42 and 2,493.03

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Solution

The fourth proportional to 3,117.35, 4,307.42 and 2,493.03 is: 3,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.35 : 4,307.42 = 2,493.03 : x
  2. Step 2: Convert to fraction form
    3,117.35/4,307.42 = 2,493.03/x
  3. Step 3: Cross multiply
    3,117.35x = 4,307.42 × 2,493.03
  4. Step 4: Simplify right side
    3,117.35x = 10,738,527.28
  5. Step 5: Solve for x
    x = 10,738,527.28/3,117.35
  6. Step 6: Final answer
    x = 3,444.76

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Double scale
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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.