Home / 4,746.80-7,117.81-1,583.12

Finding the Fourth Proportional to 4,746.80, 7,117.81 and 1,583.12

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Solution

The fourth proportional to 4,746.80, 7,117.81 and 1,583.12 is: 2,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.80 : 7,117.81 = 1,583.12 : x
  2. Step 2: Convert to fraction form
    4,746.80/7,117.81 = 1,583.12/x
  3. Step 3: Cross multiply
    4,746.80x = 7,117.81 × 1,583.12
  4. Step 4: Simplify right side
    4,746.80x = 11,268,347.37
  5. Step 5: Solve for x
    x = 11,268,347.37/4,746.80
  6. Step 6: Final answer
    x = 2,373.88

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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.