Home / 7,913.70-10,925.28-5,265

Finding the Fourth Proportional to 7,913.70, 10,925.28 and 5,265

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Solution

The fourth proportional to 7,913.70, 10,925.28 and 5,265 is: 7,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.70 : 10,925.28 = 5,265 : x
  2. Step 2: Convert to fraction form
    7,913.70/10,925.28 = 5,265/x
  3. Step 3: Cross multiply
    7,913.70x = 10,925.28 × 5,265
  4. Step 4: Simplify right side
    7,913.70x = 57,521,599.20
  5. Step 5: Solve for x
    x = 57,521,599.20/7,913.70
  6. Step 6: Final answer
    x = 7,268.61

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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.