Home / 7,316.71-10,090.35-4,889.84

Finding the Fourth Proportional to 7,316.71, 10,090.35 and 4,889.84

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Solution

The fourth proportional to 7,316.71, 10,090.35 and 4,889.84 is: 6,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.71 : 10,090.35 = 4,889.84 : x
  2. Step 2: Convert to fraction form
    7,316.71/10,090.35 = 4,889.84/x
  3. Step 3: Cross multiply
    7,316.71x = 10,090.35 × 4,889.84
  4. Step 4: Simplify right side
    7,316.71x = 49,340,146.59
  5. Step 5: Solve for x
    x = 49,340,146.59/7,316.71
  6. Step 6: Final answer
    x = 6,743.49

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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.