Home / 1,923.44-2,885.70-625.28

Finding the Fourth Proportional to 1,923.44, 2,885.70 and 625.28

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Solution

The fourth proportional to 1,923.44, 2,885.70 and 625.28 is: 938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.44 : 2,885.70 = 625.28 : x
  2. Step 2: Convert to fraction form
    1,923.44/2,885.70 = 625.28/x
  3. Step 3: Cross multiply
    1,923.44x = 2,885.70 × 625.28
  4. Step 4: Simplify right side
    1,923.44x = 1,804,370.50
  5. Step 5: Solve for x
    x = 1,804,370.50/1,923.44
  6. Step 6: Final answer
    x = 938.10

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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.