Home / 5,285.30-7,293.76-2,927.58

Finding the Fourth Proportional to 5,285.30, 7,293.76 and 2,927.58

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Solution

The fourth proportional to 5,285.30, 7,293.76 and 2,927.58 is: 4,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.30 : 7,293.76 = 2,927.58 : x
  2. Step 2: Convert to fraction form
    5,285.30/7,293.76 = 2,927.58/x
  3. Step 3: Cross multiply
    5,285.30x = 7,293.76 × 2,927.58
  4. Step 4: Simplify right side
    5,285.30x = 21,353,065.90
  5. Step 5: Solve for x
    x = 21,353,065.90/5,285.30
  6. Step 6: Final answer
    x = 4,040.09

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1.5x scale

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.