Home / 5,317.65-7,973.55-2,545.02

Finding the Fourth Proportional to 5,317.65, 7,973.55 and 2,545.02

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Solution

The fourth proportional to 5,317.65, 7,973.55 and 2,545.02 is: 3,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.65 : 7,973.55 = 2,545.02 : x
  2. Step 2: Convert to fraction form
    5,317.65/7,973.55 = 2,545.02/x
  3. Step 3: Cross multiply
    5,317.65x = 7,973.55 × 2,545.02
  4. Step 4: Simplify right side
    5,317.65x = 20,292,844.22
  5. Step 5: Solve for x
    x = 20,292,844.22/5,317.65
  6. Step 6: Final answer
    x = 3,816.13

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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.