Home / 1,923.57-2,885.90-624.87

Finding the Fourth Proportional to 1,923.57, 2,885.90 and 624.87

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Solution

The fourth proportional to 1,923.57, 2,885.90 and 624.87 is: 937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.57 : 2,885.90 = 624.87 : x
  2. Step 2: Convert to fraction form
    1,923.57/2,885.90 = 624.87/x
  3. Step 3: Cross multiply
    1,923.57x = 2,885.90 × 624.87
  4. Step 4: Simplify right side
    1,923.57x = 1,803,309.21
  5. Step 5: Solve for x
    x = 1,803,309.21/1,923.57
  6. Step 6: Final answer
    x = 937.48

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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.