Home / 5,316.40-7,337.40-3,192.88

Finding the Fourth Proportional to 5,316.40, 7,337.40 and 3,192.88

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Solution

The fourth proportional to 5,316.40, 7,337.40 and 3,192.88 is: 4,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.40 : 7,337.40 = 3,192.88 : x
  2. Step 2: Convert to fraction form
    5,316.40/7,337.40 = 3,192.88/x
  3. Step 3: Cross multiply
    5,316.40x = 7,337.40 × 3,192.88
  4. Step 4: Simplify right side
    5,316.40x = 23,427,437.71
  5. Step 5: Solve for x
    x = 23,427,437.71/5,316.40
  6. Step 6: Final answer
    x = 4,406.64

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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.