Home / 5,316.84-7,337.66-3,078.75

Finding the Fourth Proportional to 5,316.84, 7,337.66 and 3,078.75

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Solution

The fourth proportional to 5,316.84, 7,337.66 and 3,078.75 is: 4,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.84 : 7,337.66 = 3,078.75 : x
  2. Step 2: Convert to fraction form
    5,316.84/7,337.66 = 3,078.75/x
  3. Step 3: Cross multiply
    5,316.84x = 7,337.66 × 3,078.75
  4. Step 4: Simplify right side
    5,316.84x = 22,590,818.70
  5. Step 5: Solve for x
    x = 22,590,818.70/5,316.84
  6. Step 6: Final answer
    x = 4,248.92

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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.