Home / 1,923.96-2,885.95-999.05

Finding the Fourth Proportional to 1,923.96, 2,885.95 and 999.05

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Solution

The fourth proportional to 1,923.96, 2,885.95 and 999.05 is: 1,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.96 : 2,885.95 = 999.05 : x
  2. Step 2: Convert to fraction form
    1,923.96/2,885.95 = 999.05/x
  3. Step 3: Cross multiply
    1,923.96x = 2,885.95 × 999.05
  4. Step 4: Simplify right side
    1,923.96x = 2,883,208.35
  5. Step 5: Solve for x
    x = 2,883,208.35/1,923.96
  6. Step 6: Final answer
    x = 1,498.58

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Double scale
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Similar ratio
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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.