Home / 5,868.85-8,742.13-5,557.20

Finding the Fourth Proportional to 5,868.85, 8,742.13 and 5,557.20

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Solution

The fourth proportional to 5,868.85, 8,742.13 and 5,557.20 is: 8,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.85 : 8,742.13 = 5,557.20 : x
  2. Step 2: Convert to fraction form
    5,868.85/8,742.13 = 5,557.20/x
  3. Step 3: Cross multiply
    5,868.85x = 8,742.13 × 5,557.20
  4. Step 4: Simplify right side
    5,868.85x = 48,581,764.84
  5. Step 5: Solve for x
    x = 48,581,764.84/5,868.85
  6. Step 6: Final answer
    x = 8,277.90

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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.