Home / 5,637.68-7,783.76-4,318.16

Finding the Fourth Proportional to 5,637.68, 7,783.76 and 4,318.16

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Solution

The fourth proportional to 5,637.68, 7,783.76 and 4,318.16 is: 5,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.68 : 7,783.76 = 4,318.16 : x
  2. Step 2: Convert to fraction form
    5,637.68/7,783.76 = 4,318.16/x
  3. Step 3: Cross multiply
    5,637.68x = 7,783.76 × 4,318.16
  4. Step 4: Simplify right side
    5,637.68x = 33,611,521.08
  5. Step 5: Solve for x
    x = 33,611,521.08/5,637.68
  6. Step 6: Final answer
    x = 5,961.94

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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.