Home / 2,095.85-2,890.98-1,507.17

Finding the Fourth Proportional to 2,095.85, 2,890.98 and 1,507.17

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Solution

The fourth proportional to 2,095.85, 2,890.98 and 1,507.17 is: 2,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.85 : 2,890.98 = 1,507.17 : x
  2. Step 2: Convert to fraction form
    2,095.85/2,890.98 = 1,507.17/x
  3. Step 3: Cross multiply
    2,095.85x = 2,890.98 × 1,507.17
  4. Step 4: Simplify right side
    2,095.85x = 4,357,198.33
  5. Step 5: Solve for x
    x = 4,357,198.33/2,095.85
  6. Step 6: Final answer
    x = 2,078.96

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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.