Home / 5,300.16-7,315.10-2,943.06

Finding the Fourth Proportional to 5,300.16, 7,315.10 and 2,943.06

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Solution

The fourth proportional to 5,300.16, 7,315.10 and 2,943.06 is: 4,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.16 : 7,315.10 = 2,943.06 : x
  2. Step 2: Convert to fraction form
    5,300.16/7,315.10 = 2,943.06/x
  3. Step 3: Cross multiply
    5,300.16x = 7,315.10 × 2,943.06
  4. Step 4: Simplify right side
    5,300.16x = 21,528,778.21
  5. Step 5: Solve for x
    x = 21,528,778.21/5,300.16
  6. Step 6: Final answer
    x = 4,061.91

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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.