Home / 5,288.59-7,297.98-2,931.08

Finding the Fourth Proportional to 5,288.59, 7,297.98 and 2,931.08

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Solution

The fourth proportional to 5,288.59, 7,297.98 and 2,931.08 is: 4,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.59 : 7,297.98 = 2,931.08 : x
  2. Step 2: Convert to fraction form
    5,288.59/7,297.98 = 2,931.08/x
  3. Step 3: Cross multiply
    5,288.59x = 7,297.98 × 2,931.08
  4. Step 4: Simplify right side
    5,288.59x = 21,390,963.22
  5. Step 5: Solve for x
    x = 21,390,963.22/5,288.59
  6. Step 6: Final answer
    x = 4,044.74

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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.