Home / 5,307.12-7,323.75-2,917.08

Finding the Fourth Proportional to 5,307.12, 7,323.75 and 2,917.08

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Solution

The fourth proportional to 5,307.12, 7,323.75 and 2,917.08 is: 4,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.12 : 7,323.75 = 2,917.08 : x
  2. Step 2: Convert to fraction form
    5,307.12/7,323.75 = 2,917.08/x
  3. Step 3: Cross multiply
    5,307.12x = 7,323.75 × 2,917.08
  4. Step 4: Simplify right side
    5,307.12x = 21,363,964.65
  5. Step 5: Solve for x
    x = 21,363,964.65/5,307.12
  6. Step 6: Final answer
    x = 4,025.53

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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.