Home / 2,085.01-3,126.87-623.70

Finding the Fourth Proportional to 2,085.01, 3,126.87 and 623.70

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Solution

The fourth proportional to 2,085.01, 3,126.87 and 623.70 is: 935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.01 : 3,126.87 = 623.70 : x
  2. Step 2: Convert to fraction form
    2,085.01/3,126.87 = 623.70/x
  3. Step 3: Cross multiply
    2,085.01x = 3,126.87 × 623.70
  4. Step 4: Simplify right side
    2,085.01x = 1,950,228.82
  5. Step 5: Solve for x
    x = 1,950,228.82/2,085.01
  6. Step 6: Final answer
    x = 935.36

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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.