Home / 5,038.16-7,563-2,990.48

Finding the Fourth Proportional to 5,038.16, 7,563 and 2,990.48

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Solution

The fourth proportional to 5,038.16, 7,563 and 2,990.48 is: 4,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.16 : 7,563 = 2,990.48 : x
  2. Step 2: Convert to fraction form
    5,038.16/7,563 = 2,990.48/x
  3. Step 3: Cross multiply
    5,038.16x = 7,563 × 2,990.48
  4. Step 4: Simplify right side
    5,038.16x = 22,617,000.24
  5. Step 5: Solve for x
    x = 22,617,000.24/5,038.16
  6. Step 6: Final answer
    x = 4,489.14

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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.