Home / 4,570.21-6,307.03-2,868.40

Finding the Fourth Proportional to 4,570.21, 6,307.03 and 2,868.40

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Solution

The fourth proportional to 4,570.21, 6,307.03 and 2,868.40 is: 3,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,570.21 : 6,307.03 = 2,868.40 : x
  2. Step 2: Convert to fraction form
    4,570.21/6,307.03 = 2,868.40/x
  3. Step 3: Cross multiply
    4,570.21x = 6,307.03 × 2,868.40
  4. Step 4: Simplify right side
    4,570.21x = 18,091,084.85
  5. Step 5: Solve for x
    x = 18,091,084.85/4,570.21
  6. Step 6: Final answer
    x = 3,958.48

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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.