Home / 5,316.16-7,338.96-4,118.47

Finding the Fourth Proportional to 5,316.16, 7,338.96 and 4,118.47

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Solution

The fourth proportional to 5,316.16, 7,338.96 and 4,118.47 is: 5,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.16 : 7,338.96 = 4,118.47 : x
  2. Step 2: Convert to fraction form
    5,316.16/7,338.96 = 4,118.47/x
  3. Step 3: Cross multiply
    5,316.16x = 7,338.96 × 4,118.47
  4. Step 4: Simplify right side
    5,316.16x = 30,225,286.59
  5. Step 5: Solve for x
    x = 30,225,286.59/5,316.16
  6. Step 6: Final answer
    x = 5,685.55

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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.