Home / 7,090.48-10,636.23-2,160.10

Finding the Fourth Proportional to 7,090.48, 10,636.23 and 2,160.10

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Solution

The fourth proportional to 7,090.48, 10,636.23 and 2,160.10 is: 3,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.48 : 10,636.23 = 2,160.10 : x
  2. Step 2: Convert to fraction form
    7,090.48/10,636.23 = 2,160.10/x
  3. Step 3: Cross multiply
    7,090.48x = 10,636.23 × 2,160.10
  4. Step 4: Simplify right side
    7,090.48x = 22,975,320.42
  5. Step 5: Solve for x
    x = 22,975,320.42/7,090.48
  6. Step 6: Final answer
    x = 3,240.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.