Home / 5,316.87-7,336.16-3,079.11

Finding the Fourth Proportional to 5,316.87, 7,336.16 and 3,079.11

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Solution

The fourth proportional to 5,316.87, 7,336.16 and 3,079.11 is: 4,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.87 : 7,336.16 = 3,079.11 : x
  2. Step 2: Convert to fraction form
    5,316.87/7,336.16 = 3,079.11/x
  3. Step 3: Cross multiply
    5,316.87x = 7,336.16 × 3,079.11
  4. Step 4: Simplify right side
    5,316.87x = 22,588,828.22
  5. Step 5: Solve for x
    x = 22,588,828.22/5,316.87
  6. Step 6: Final answer
    x = 4,248.52

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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.