Home / 5,456.08-7,529.43-2,972.08

Finding the Fourth Proportional to 5,456.08, 7,529.43 and 2,972.08

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Solution

The fourth proportional to 5,456.08, 7,529.43 and 2,972.08 is: 4,101.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.08 : 7,529.43 = 2,972.08 : x
  2. Step 2: Convert to fraction form
    5,456.08/7,529.43 = 2,972.08/x
  3. Step 3: Cross multiply
    5,456.08x = 7,529.43 × 2,972.08
  4. Step 4: Simplify right side
    5,456.08x = 22,378,068.31
  5. Step 5: Solve for x
    x = 22,378,068.31/5,456.08
  6. Step 6: Final answer
    x = 4,101.49

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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.