Home / 5,570.84-8,315.60-5,164.76

Finding the Fourth Proportional to 5,570.84, 8,315.60 and 5,164.76

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Solution

The fourth proportional to 5,570.84, 8,315.60 and 5,164.76 is: 7,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.84 : 8,315.60 = 5,164.76 : x
  2. Step 2: Convert to fraction form
    5,570.84/8,315.60 = 5,164.76/x
  3. Step 3: Cross multiply
    5,570.84x = 8,315.60 × 5,164.76
  4. Step 4: Simplify right side
    5,570.84x = 42,948,078.26
  5. Step 5: Solve for x
    x = 42,948,078.26/5,570.84
  6. Step 6: Final answer
    x = 7,709.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.