Home / 7,902.30-10,905.40-4,365.74

Finding the Fourth Proportional to 7,902.30, 10,905.40 and 4,365.74

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Solution

The fourth proportional to 7,902.30, 10,905.40 and 4,365.74 is: 6,024.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.30 : 10,905.40 = 4,365.74 : x
  2. Step 2: Convert to fraction form
    7,902.30/10,905.40 = 4,365.74/x
  3. Step 3: Cross multiply
    7,902.30x = 10,905.40 × 4,365.74
  4. Step 4: Simplify right side
    7,902.30x = 47,610,141.00
  5. Step 5: Solve for x
    x = 47,610,141.00/7,902.30
  6. Step 6: Final answer
    x = 6,024.85

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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.