Home / 2,117.73-2,919.60-1,487.16

Finding the Fourth Proportional to 2,117.73, 2,919.60 and 1,487.16

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Solution

The fourth proportional to 2,117.73, 2,919.60 and 1,487.16 is: 2,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.73 : 2,919.60 = 1,487.16 : x
  2. Step 2: Convert to fraction form
    2,117.73/2,919.60 = 1,487.16/x
  3. Step 3: Cross multiply
    2,117.73x = 2,919.60 × 1,487.16
  4. Step 4: Simplify right side
    2,117.73x = 4,341,912.34
  5. Step 5: Solve for x
    x = 4,341,912.34/2,117.73
  6. Step 6: Final answer
    x = 2,050.27

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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.