Home / 5,091.99-7,637.95-1,805.32

Finding the Fourth Proportional to 5,091.99, 7,637.95 and 1,805.32

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Solution

The fourth proportional to 5,091.99, 7,637.95 and 1,805.32 is: 2,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.99 : 7,637.95 = 1,805.32 : x
  2. Step 2: Convert to fraction form
    5,091.99/7,637.95 = 1,805.32/x
  3. Step 3: Cross multiply
    5,091.99x = 7,637.95 × 1,805.32
  4. Step 4: Simplify right side
    5,091.99x = 13,788,943.89
  5. Step 5: Solve for x
    x = 13,788,943.89/5,091.99
  6. Step 6: Final answer
    x = 2,707.97

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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.