Home / 3,090.96-4,265.46-1,693.62

Finding the Fourth Proportional to 3,090.96, 4,265.46 and 1,693.62

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Solution

The fourth proportional to 3,090.96, 4,265.46 and 1,693.62 is: 2,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.96 : 4,265.46 = 1,693.62 : x
  2. Step 2: Convert to fraction form
    3,090.96/4,265.46 = 1,693.62/x
  3. Step 3: Cross multiply
    3,090.96x = 4,265.46 × 1,693.62
  4. Step 4: Simplify right side
    3,090.96x = 7,224,068.37
  5. Step 5: Solve for x
    x = 7,224,068.37/3,090.96
  6. Step 6: Final answer
    x = 2,337.16

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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.