Home / 4,745.64-7,117.62-1,283.16

Finding the Fourth Proportional to 4,745.64, 7,117.62 and 1,283.16

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Solution

The fourth proportional to 4,745.64, 7,117.62 and 1,283.16 is: 1,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.64 : 7,117.62 = 1,283.16 : x
  2. Step 2: Convert to fraction form
    4,745.64/7,117.62 = 1,283.16/x
  3. Step 3: Cross multiply
    4,745.64x = 7,117.62 × 1,283.16
  4. Step 4: Simplify right side
    4,745.64x = 9,133,045.28
  5. Step 5: Solve for x
    x = 9,133,045.28/4,745.64
  6. Step 6: Final answer
    x = 1,924.51

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Double scale
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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.