Home / 5,071.95-7,000.11-3,055.59

Finding the Fourth Proportional to 5,071.95, 7,000.11 and 3,055.59

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Solution

The fourth proportional to 5,071.95, 7,000.11 and 3,055.59 is: 4,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.95 : 7,000.11 = 3,055.59 : x
  2. Step 2: Convert to fraction form
    5,071.95/7,000.11 = 3,055.59/x
  3. Step 3: Cross multiply
    5,071.95x = 7,000.11 × 3,055.59
  4. Step 4: Simplify right side
    5,071.95x = 21,389,466.11
  5. Step 5: Solve for x
    x = 21,389,466.11/5,071.95
  6. Step 6: Final answer
    x = 4,217.21

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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.