Home / 2,852.76-3,938.75-1,846.89

Finding the Fourth Proportional to 2,852.76, 3,938.75 and 1,846.89

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Solution

The fourth proportional to 2,852.76, 3,938.75 and 1,846.89 is: 2,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.76 : 3,938.75 = 1,846.89 : x
  2. Step 2: Convert to fraction form
    2,852.76/3,938.75 = 1,846.89/x
  3. Step 3: Cross multiply
    2,852.76x = 3,938.75 × 1,846.89
  4. Step 4: Simplify right side
    2,852.76x = 7,274,428.75
  5. Step 5: Solve for x
    x = 7,274,428.75/2,852.76
  6. Step 6: Final answer
    x = 2,549.96

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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.