Home / 5,039.77-7,559.66-2,078.17

Finding the Fourth Proportional to 5,039.77, 7,559.66 and 2,078.17

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Solution

The fourth proportional to 5,039.77, 7,559.66 and 2,078.17 is: 3,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.77 : 7,559.66 = 2,078.17 : x
  2. Step 2: Convert to fraction form
    5,039.77/7,559.66 = 2,078.17/x
  3. Step 3: Cross multiply
    5,039.77x = 7,559.66 × 2,078.17
  4. Step 4: Simplify right side
    5,039.77x = 15,710,248.23
  5. Step 5: Solve for x
    x = 15,710,248.23/5,039.77
  6. Step 6: Final answer
    x = 3,117.26

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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.