Home / 5,345.24-7,381.50-5,054.36

Finding the Fourth Proportional to 5,345.24, 7,381.50 and 5,054.36

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Solution

The fourth proportional to 5,345.24, 7,381.50 and 5,054.36 is: 6,979.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.24 : 7,381.50 = 5,054.36 : x
  2. Step 2: Convert to fraction form
    5,345.24/7,381.50 = 5,054.36/x
  3. Step 3: Cross multiply
    5,345.24x = 7,381.50 × 5,054.36
  4. Step 4: Simplify right side
    5,345.24x = 37,308,758.34
  5. Step 5: Solve for x
    x = 37,308,758.34/5,345.24
  6. Step 6: Final answer
    x = 6,979.81

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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.