Home / 5,439.93-7,507.11-2,955.93

Finding the Fourth Proportional to 5,439.93, 7,507.11 and 2,955.93

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Solution

The fourth proportional to 5,439.93, 7,507.11 and 2,955.93 is: 4,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.93 : 7,507.11 = 2,955.93 : x
  2. Step 2: Convert to fraction form
    5,439.93/7,507.11 = 2,955.93/x
  3. Step 3: Cross multiply
    5,439.93x = 7,507.11 × 2,955.93
  4. Step 4: Simplify right side
    5,439.93x = 22,190,491.66
  5. Step 5: Solve for x
    x = 22,190,491.66/5,439.93
  6. Step 6: Final answer
    x = 4,079.19

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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.