Home / 5,107.02-7,047.68-2,984.01

Finding the Fourth Proportional to 5,107.02, 7,047.68 and 2,984.01

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Solution

The fourth proportional to 5,107.02, 7,047.68 and 2,984.01 is: 4,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.02 : 7,047.68 = 2,984.01 : x
  2. Step 2: Convert to fraction form
    5,107.02/7,047.68 = 2,984.01/x
  3. Step 3: Cross multiply
    5,107.02x = 7,047.68 × 2,984.01
  4. Step 4: Simplify right side
    5,107.02x = 21,030,332.68
  5. Step 5: Solve for x
    x = 21,030,332.68/5,107.02
  6. Step 6: Final answer
    x = 4,117.93

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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.