Home / 5,285.13-7,293.57-2,895.07

Finding the Fourth Proportional to 5,285.13, 7,293.57 and 2,895.07

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Solution

The fourth proportional to 5,285.13, 7,293.57 and 2,895.07 is: 3,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.13 : 7,293.57 = 2,895.07 : x
  2. Step 2: Convert to fraction form
    5,285.13/7,293.57 = 2,895.07/x
  3. Step 3: Cross multiply
    5,285.13x = 7,293.57 × 2,895.07
  4. Step 4: Simplify right side
    5,285.13x = 21,115,395.70
  5. Step 5: Solve for x
    x = 21,115,395.70/5,285.13
  6. Step 6: Final answer
    x = 3,995.24

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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.