Home / 3,090.14-4,632.47-1,140.06

Finding the Fourth Proportional to 3,090.14, 4,632.47 and 1,140.06

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Solution

The fourth proportional to 3,090.14, 4,632.47 and 1,140.06 is: 1,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.14 : 4,632.47 = 1,140.06 : x
  2. Step 2: Convert to fraction form
    3,090.14/4,632.47 = 1,140.06/x
  3. Step 3: Cross multiply
    3,090.14x = 4,632.47 × 1,140.06
  4. Step 4: Simplify right side
    3,090.14x = 5,281,293.75
  5. Step 5: Solve for x
    x = 5,281,293.75/3,090.14
  6. Step 6: Final answer
    x = 1,709.08

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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.