Home / 2,085.06-3,127.59-914.79

Finding the Fourth Proportional to 2,085.06, 3,127.59 and 914.79

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Solution

The fourth proportional to 2,085.06, 3,127.59 and 914.79 is: 1,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.06 : 3,127.59 = 914.79 : x
  2. Step 2: Convert to fraction form
    2,085.06/3,127.59 = 914.79/x
  3. Step 3: Cross multiply
    2,085.06x = 3,127.59 × 914.79
  4. Step 4: Simplify right side
    2,085.06x = 2,861,088.06
  5. Step 5: Solve for x
    x = 2,861,088.06/2,085.06
  6. Step 6: Final answer
    x = 1,372.19

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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.