Home / 4,945.04-7,417.55-1,247.25

Finding the Fourth Proportional to 4,945.04, 7,417.55 and 1,247.25

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Solution

The fourth proportional to 4,945.04, 7,417.55 and 1,247.25 is: 1,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.04 : 7,417.55 = 1,247.25 : x
  2. Step 2: Convert to fraction form
    4,945.04/7,417.55 = 1,247.25/x
  3. Step 3: Cross multiply
    4,945.04x = 7,417.55 × 1,247.25
  4. Step 4: Simplify right side
    4,945.04x = 9,251,539.24
  5. Step 5: Solve for x
    x = 9,251,539.24/4,945.04
  6. Step 6: Final answer
    x = 1,870.87

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Double scale
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Similar ratio
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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.