Home / 5,356.48-7,392.96-2,999.68

Finding the Fourth Proportional to 5,356.48, 7,392.96 and 2,999.68

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Solution

The fourth proportional to 5,356.48, 7,392.96 and 2,999.68 is: 4,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.48 : 7,392.96 = 2,999.68 : x
  2. Step 2: Convert to fraction form
    5,356.48/7,392.96 = 2,999.68/x
  3. Step 3: Cross multiply
    5,356.48x = 7,392.96 × 2,999.68
  4. Step 4: Simplify right side
    5,356.48x = 22,176,514.25
  5. Step 5: Solve for x
    x = 22,176,514.25/5,356.48
  6. Step 6: Final answer
    x = 4,140.13

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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.