Home / 4,948.36-7,420.18-1,827.56

Finding the Fourth Proportional to 4,948.36, 7,420.18 and 1,827.56

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Solution

The fourth proportional to 4,948.36, 7,420.18 and 1,827.56 is: 2,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.36 : 7,420.18 = 1,827.56 : x
  2. Step 2: Convert to fraction form
    4,948.36/7,420.18 = 1,827.56/x
  3. Step 3: Cross multiply
    4,948.36x = 7,420.18 × 1,827.56
  4. Step 4: Simplify right side
    4,948.36x = 13,560,824.16
  5. Step 5: Solve for x
    x = 13,560,824.16/4,948.36
  6. Step 6: Final answer
    x = 2,740.47

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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.