Home / 5,140.96-7,094.40-3,045.08

Finding the Fourth Proportional to 5,140.96, 7,094.40 and 3,045.08

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Solution

The fourth proportional to 5,140.96, 7,094.40 and 3,045.08 is: 4,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.96 : 7,094.40 = 3,045.08 : x
  2. Step 2: Convert to fraction form
    5,140.96/7,094.40 = 3,045.08/x
  3. Step 3: Cross multiply
    5,140.96x = 7,094.40 × 3,045.08
  4. Step 4: Simplify right side
    5,140.96x = 21,603,015.55
  5. Step 5: Solve for x
    x = 21,603,015.55/5,140.96
  6. Step 6: Final answer
    x = 4,202.14

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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.