Home / 2,088.60-3,116.55-2,039.19

Finding the Fourth Proportional to 2,088.60, 3,116.55 and 2,039.19

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Solution

The fourth proportional to 2,088.60, 3,116.55 and 2,039.19 is: 3,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.60 : 3,116.55 = 2,039.19 : x
  2. Step 2: Convert to fraction form
    2,088.60/3,116.55 = 2,039.19/x
  3. Step 3: Cross multiply
    2,088.60x = 3,116.55 × 2,039.19
  4. Step 4: Simplify right side
    2,088.60x = 6,355,237.59
  5. Step 5: Solve for x
    x = 6,355,237.59/2,088.60
  6. Step 6: Final answer
    x = 3,042.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.