Home / 2,088.18-3,117.96-2,012.58

Finding the Fourth Proportional to 2,088.18, 3,117.96 and 2,012.58

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Solution

The fourth proportional to 2,088.18, 3,117.96 and 2,012.58 is: 3,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.18 : 3,117.96 = 2,012.58 : x
  2. Step 2: Convert to fraction form
    2,088.18/3,117.96 = 2,012.58/x
  3. Step 3: Cross multiply
    2,088.18x = 3,117.96 × 2,012.58
  4. Step 4: Simplify right side
    2,088.18x = 6,275,143.94
  5. Step 5: Solve for x
    x = 6,275,143.94/2,088.18
  6. Step 6: Final answer
    x = 3,005.08

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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.